iOS & Android
(Mainland China)
Huizhou Tongsi Industrial Co., Ltd.
Huizhou Tongsi Industrial Co., Ltd.
Ranking:
Supplier Assessment:
Country / Region:
China
Business Type:
Manufacturer, Exporter, Wholesaler, Online Seller
Years with Global Sources:
1 year
Export Markets:
Western Europe, North America, Eastern Europe, Central/South America, Australasia, Asia
1 year
Company Profile
Company Overview
Specializing in high-performance power module connectivity solutions since 2006
Supplier for BYD|Certified with IATF 16949:2016 & ISO 9001:2015|
Advanced Technology & Patented Innovations
Tongsi Industrial, founded in 2006, specializes in high-performance connectivity solutions for power modules, encompassing spacer, clip, press-fit pin, and holder technologies. We own proprietary designs tailored for automotive HPD modules and industrial IGBT applications, and we are committed to driving innovation: 4 new patents are planned for 2025, with our total patent portfolio set to exceed 40 by 2026. Our R&D team excels in structural design, thermal-electric simulation, and reliability validation for mass production.
Trusted by Global Industry Leaders
Our components are integral to the supply chains of top-tier international brands like ROHM, Bosch, and Eaton, as well as leading Chinese manufacturers such as BYD, United Semiconductor (UNT), NIO, and Shanghai Haimuxico. We serve 80% of China's top new energy brands, with IGBT-related projects accounting for 68% of our technical solutions.
Rigorous Quality & Certification Standards
Certified with IATF 16949:2016, ISO 9001:2015, ISO 14001, and ISO 45001, we implement strict quality control using advanced inspection equipment, including 3D measurement systems, Vickers hardness testers, and CCD-based optical inspection. Every unit undergoes 100% performance testing to ensure reliability.
End-to-End Technical Support & Localization
We offer comprehensive solutions from module design and thermal simulation to mass production validation, helping clients reduce costs and improve efficiency. As a key player in power module connectivity, we support over 200 semiconductor industry partners with a market share exceeding 60% in critical segments.
Scalable Production & Agile Delivery
With manufacturing bases in the Yangtze River Delta and Pearl River Delta regions operating at over 90% capacity utilization, we provide flexible order fulfillment starting from 10,000 units, with lead times typically between 15 and 30 days. Our efficient logistics ensure timely global distribution.
Global Expansion & Data-Driven Innovation
Expanding into the EU, the US, Japan, and Korea, we aim to increase overseas revenue to 25% by 2027. Our proprietary industry database enables precise material and process optimization, while our closed-loop "simulation, production, feedback" system accelerates R&D. We pioneered mass production of ultrasonic-welded pins in China, reinforcing our leadership in next-gen power module solutions.
Basic Information
Total Capitalization
US$100,000 to 199,999
Year Established
2006
Total Employees
80 to 99
Company Certificate
ISO 14001, ISO 45001:2018, IATF 16949:2016
Product Certificate
IPC-9797 T型铜环插针镀层结合力验证报告合格, IPC-9797 Press Fit PIN针镀层结合力验证报告合格
Business Type
Trading Capabilities
Total Annual Sales
US$8,000,000 to 8,999,999
Export Percentage
25 percent to 29 percent
OEM Service
Yes
Small Orders Accepted
Yes
Brand Names
BYD - HPD Module, United Semiconductor (UNT), NIO, TOYOTA, XPENG
Payment Terms
T/T or PayPal
Main Competitive Advantages
Buyer's Specifications Accepted, Experienced R&D Department, Large Product Line, OBM (Own Branding & Manufacturing), ODM (Original Designing & Manufacturing), OEM Capability, Production Capacity, Reliability, Reputation
Other Competitive Advantages
NA
Major Customer
BYD - HPD Module (Hybrid Power Drive Module), United Semiconductor (UNT) - HPD Module, NIO - Main Drive Module, TOYOTA - Main Drive Module, GEELY- Main Drive Module, XPENG - Main Drive Module
Export Markets
Business Registration Details
Registered Company
惠州市同思实业有限公司
Registration Number
91441303MA4UW9BHXB
Company Registration Address
惠州市惠阳区新圩镇新联村花边岭地段1#
* In China, company names and addresses are registered in Chinese only.
Production Capacity
Factory Information
Factory Size
3000 Square Metre
No. of Production Lines
60
Number of Production Staff
60 to 79
Number of QC Staff
5 to 9
Year Established
2006
Number of R & D Staff
10 to 19
Address
Tejiali Industrial Park, Xinxu Town, Huiyang District, Huizhou, Guangdong, China
Other Production Capacity
Materials/Components Used
Purple Copper, Oxygen-Free Copper, Brass, Phosphor Bronze, Special Alloys
Machinery/Production Process
Our manufacturing begins with raw material inspection to ensure quality compliance. Precision stamping forms components with micron-level accuracy. Surface treatment enhances durability through plating/passivation. Automated assembly ensures consistent construction. 100% inspection verifies dimensions/functionality. Anti-oxidation packaging protects products during shipping. This integrated process delivers high-precision components with reliable quality control at every stage.
Site Advantages
Prime Location in Greater Bay Area: Strategically located in the heart of the Guangdong-Hong Kong-Macao Greater Bay Area, just 60 km (1 hour drive) from Shenzhen Bao'an Airport and Huizhou Pingtan Airport.
Superior Logistics: Only 1.1 km (5 min) to Xinxu Expressway, with 5 major highway entrances within 30 km for efficient transport.
Strong Supply Chain: Based in Pearl River Delta's electronics hub, surrounded by more than 200 suppliers for seamless sourcing.
Global Trade Access: 80 km to Yantian Port ensures smooth import and export. Ideal for manufacturing and distribution with unbeatable connectivity.
Capacity to fill your orders
With 90+ skilled workers, 52 production lines, and various high-precision equipment, we are able to fill your orders, whether large or small.
Quality Control
Other Quality Control
Description of Quality Control/Technical Support Department
The Quality Management Department ensures products/services meet customer and international standards (ISO 14001:2016, IATF 16949, ISO 45001). Key duties: Quality Planning (setting objectives, control plans, standards); Process Monitoring (ensuring compliance); Inspection & Testing (materials, semi-finished/finished goods); Nonconforming Product Management (root cause analysis, corrective actions); Continuous Improvement (data-driven enhancements).
Quality Control Procedures
Incoming QC (IQC): Inspect raw materials/components (sampling/full check) for compliance; verify specs using calipers, spectrometers, etc.
In-Process QC (IPQC): Monitor critical parameters (temp, pressure); record data, report deviations.
Final QC (FQC): Test finished products (100%/sampling) for function, appearance, and packaging compliance.
Outgoing QC (OQC): Review batch docs, sample inspect, approve shipment.
Nonconforming Products: Isolate defects, root cause analysis (e.g., 8D), and corrective actions.
Origin of Materials and Components
Red Copper, Oxygen-Free Copper
Ningbo Jintian Copper (Group) Co., Ltd.
Brass, Phosphor Bronze, Alloy
Ningbo Boway Alloy Material Co., Ltd.
Additional Information about the Quality Control Process
Quality tools: APQP, FMEA, MSA, SPC, PPAP, and CP are used for risk prevention.
Customer feedback: Complaints are handled quickly and improvements are implemented.
Certification: IATF 16949:2016, ISO 14001:2016, and ISO 45001:2018 certifications are maintained; third-party audits are accepted.
R&D Capabilities
Other R&D Capabilities
Machinery and Equipment Used
20 auto lathes, 4 pin inserters, 3 3-axis centers, 3 CNC lathes, 2 presses, 2 crimpers, 2 taping machines, 3 grinders, 1 mill, 12 calipers,1 tensile tester, 2 micrometers, 2 CMMs, 8 microscopes, 1 hardness tester.
Patents and Copyrights
Elastic-structure universal terminal, waterproof terminal, S-shaped buffer terminal, press-fit terminal, CNC self-centering drill, precision machining center, ultra-precision lathe, scratch detection device, automatic tapping unit, high-precision die-casting machine, stamping/polishing equipment, etc.
Awards and Other Recognitions
ISO/TS 16949:2016 Automotive Quality Management System Certification, ISO 14001:2016 Environmental Management System Certification, ISO 45001 Occupational Health and Safety Management System Certification
Location of Facilities
Tejiali Industrial Park, Xinxu Town, Huiyang District, Huizhou, Guangdong, China
Procedures and Practices
Tongsi Industrial's R&D department follows a systematic innovation process. It begins with market research and feasibility analysis, then proceeds through project approval, cross-functional development, prototyping, and iterative optimization to achieve mass production and technology transfer. Key practices include employing agile and stage-gate methodologies, protecting intellectual property (IP), utilizing digital tools (e.g., PLM, CAE), and maintaining close collaboration with production and marketing teams to ensure successful commercialization.
Business Registration Profile
by SGS
The supplier information below has been obtained from relevant government agencies in the supplier's country and is subject to change without prior notice. Business Registration Profile verification procedures were conducted by SGS, a third-party credit agency
Read DisclaimerRegistered Address
Section 1, Huabianling, Xinlian Village, Xinxu Town, Huiyang District, Huizhou City
Incorporation Date
2016/10/08
Legal Form
Limited liability company (natural person investment or holding)
Company Status
Live
Registration Agency
Market Supervision Administration of Huizhou Huiyang District Municipality
Registration No.
91441303MA4UW9BHXB
Authorized Capital
RMB10,000,000
Paid-Up Capital
NA
Import & Export License
No
Legal Representative
Li Bingqing
Business Scope
Manufacturing of discrete semiconductor devices; sales of discrete semiconductor devices; manufacturing of electronic components; retail of electronic components; manufacturing of power electronic components; sales of power electronic components; manufacturing of semiconductor lighting devices; sales of semiconductor lighting devices; energy storage technology services; manufacturing of plastic products; sales of plastic products; manufacturing of molds; sales of molds; manufacturing of hardware products; wholesale of hardware products; manufacturing and sales of optoelectronic devices; manufacturing of other electronic devices; wholesale of electronic component; research and development of automotive parts; processing of mechanical parts and components; professional design services; technical services, technology development, technical consulting, technology exchange, technology transfer and technology promotion. (Projects that require approval according to law can only be carried out with the approval of relevant departments.)
Business Permit Expiry
Shareholders
Cai Qing;Li Bingqing
Certifications
Company Certifications
Image Standard /Number Issued by Available Date Scope/Range
ISO 14001 SHENZHEN HUAZHI CERTIFICATION SERVICE CO.,LTD
2025/12/25
-
2028/12/24
Lathe processingand stamping processing of precision hardware components and sitesISO 45001:2018 SHENZHEN HUAZHI CERTIFICATION SERVICE CO.,LTD
2025/07/21
-
2028/07/20
lathe processing and stamping processing of precision hardware components and sitesIATF 16949:2016 NQA
2024/10/30
-
2027/10/29
The manufacture of metal connector and metal stamped parts
Product Certifications
Image Standard / Number Issued by Validity Product Name Model
IPC-9797 T型铜环插针镀层结合力验证报告合格 工业和信息化部电子第五研究所（中国赛宝实验室）
2024/11/01
~
No Expiry Date
Pin Needle View listIPC-9797 Press Fit PIN针镀层结合力验证报告合格 CEPREI
2024/12/02
~
No Expiry Date
PIN View list
Codes Of Conduct
Equal Employment Opportunity/Non-discrimination
The company prohibits discrimination based on factors such as race, gender, age, religion, nationality, and disability, ensuring fairness and impartiality in recruitment, promotion, compensation, and other areas.
Policy on Forced Labour
Forced labor or debt bondage in any form is strictly prohibited. Employees have the right to freely terminate their employment relationship, and their identity documents or wages shall not be withheld.
Policy on Child Labour
The company strictly complies with China's minimum employment age regulations (16 years old), prohibits the employment of child labor, and regularly verifies employees' age identification documents.
Policy on Hours of Labour
Employees' working hours comply with Chinese legal standards, overtime is voluntary and paid at the statutory overtime rate, and employees have at least one day off per week.
Policy on Coercion and Harassment
The company has a zero-tolerance policy toward any form of workplace harassment (including sexual harassment, verbal abuse, etc.), has established an anonymous complaint channel, and deals with violations seriously.
Policy on Compensation
When employees are injured or fall ill at work, the company provides work injury insurance compensation and medical assistance in accordance with the law to ensure reasonable compensation.
Policy on Health and Safety
The company provides a working environment that complies with national standards, conducts regular safety training, provides necessary protective equipment, and establishes emergency response plans.
Policy on Concern for the Environment
The company complies with environmental protection regulations, reduces pollution emissions during production, implements energy conservation and emission reduction measures, and conducts regular environmental assessments.
Policy on Sensitive Transactions
Prohibited from engaging in transactions involving countries subject to international sanctions, terrorist organizations, or contraband, and strictly complying with export control regulations in China and target markets.
Policy on Commercial Bribery
It is strictly prohibited to offer bribes or improper benefits to customers, government officials, etc. All business activities must be transparent and compliant, and complete transaction records must be retained.
Accounting Controls, Procedures and Records
The company has established standardized financial systems and auditing procedures to ensure that accounts are clear, traceable, and comply with international accounting standards.
Use and Disclosure of Inside Information
Employees shall not disclose sensitive information such as company trade secrets and customer data, and shall continue to fulfill their confidentiality obligations even after leaving the company.
Confidential or Proprietary Information
The company respects the intellectual property rights of third parties, and all employees sign confidentiality agreements prohibiting the unauthorized use or disclosure of patents, trademarks, and other rights.
Policy on Conflicts of Interest
Employees should avoid any actions that could cause a conflict between their personal interests and the company's interests (such as taking on a second job that competes with the company's business). If they find any such actions, they should report them on their own.
Policy on Fraud and Similar Irregularities
Falsification of records, fraudulent transactions, and other fraudulent acts are prohibited. Violators will face disciplinary action or legal prosecution.
Policy on Monitoring
The company has established a compliance department to regularly review the implementation of various provisions and accept supervision and reports from employees and external partners.
Policy on Inspection and Certification
Cooperate with compliance inspections conducted by customers, third-party institutions, or government departments, and provide authentic information to verify the implementation of the terms and conditions.
Comprehensive Compliance Commitment
The company requires all employees to comply with Chinese laws and regulations and international trade rules, and to continuously improve its corporate social responsibility system.
Services and Support
Sample Policy
We will provide free samples of products upon the customer's request. To help us decide favorably on sample requests, we ask interested customers to send comprehensive buyer information for our review.
Guarantee
Free return/replacement for quality issues (e.g., cosmetic defects, burrs, deformation, dimensional deviations). Disputes over damage caused during storage, transportation, or assembly will be resolved by the TONGSI Quality Department after analysis. Customer covers return shipping and customs duties.
Export/Import Support
Tongsi Industrial is committed to delivering quality service, especially with regard to questions about exporting products to your location. Contact us now!
After Sales Services
Service Hours:
Monday to Saturday: 8:00 AM to 5:30 PM (Beijing Time)
Emergency Contact: 24/7 technical emergency hotline
Service Methods:
WeChat/WhatsApp instant messaging
Video conferencing (supports remote factory inspections)
ERP order tracking
Monday to Saturday: 8:00 AM to 5:30 PM (Beijing Time)
Emergency Contact: 24/7 technical emergency hotline
Service Methods:
WeChat/WhatsApp instant messaging
Video conferencing (supports remote factory inspections)
ERP order tracking
Hotline
(86) 1892 8338 917
Customer Service e-mail
ts@hztsltd.com
Newsroom
SPT2024 Semiconductor Packaging and Testing Technology Summit
Covering the following key topics:
Advanced packaging trends: Exploring cutting-edge technologies such as chiplets, 3D packaging, and heterogeneous integration.
Testing innovations: High-speed, high-precision testing solutions and the application of AI in defect detection.
Materials and processes: Low-power packaging materials, thermal management technologies, and miniaturization challenges.
Industry collaboration: Global supply chain coordination and standardization processes.
The conference brings together experts to share the latest achievements and promote the upgrading of the packaging and testing industry.
Advanced packaging trends: Exploring cutting-edge technologies such as chiplets, 3D packaging, and heterogeneous integration.
Testing innovations: High-speed, high-precision testing solutions and the application of AI in defect detection.
Materials and processes: Low-power packaging materials, thermal management technologies, and miniaturization challenges.
Industry collaboration: Global supply chain coordination and standardization processes.
The conference brings together experts to share the latest achievements and promote the upgrading of the packaging and testing industry.
Management
Mission Statement
Tongsi Industry was founded in 2006 and relocated to Huizhou in 2016. With a registered capital of 10 million yuan and over 90 employees, the company owns proprietary patented technologies and is committed to providing customers with connectivity solutions based on semiconductor power. Focusing on and deeply cultivating the semiconductor field, it adheres to the mission of solving key challenges and pain points in the industry.
Contact Person
Ms.Lee, Vivian
Job Title
Oversea Sales Manager
Trading Services
Trading Activities
We have been successfully conducting both import and export activities worldwide.
Product Range
Power terminals (such as press-fit pins, clips, spacers, holders, etc.)
Signal terminals, copper base plates, pressure foot retaining rings, and other key structural components.
Automotive-grade IGBT module pins (ultrasonic welding, laser welding processes).
The products are widely used in new energy vehicles, photovoltaic energy storage, industrial frequency conversion, and other fields, with customers covering leading global enterprises.
Signal terminals, copper base plates, pressure foot retaining rings, and other key structural components.
Automotive-grade IGBT module pins (ultrasonic welding, laser welding processes).
The products are widely used in new energy vehicles, photovoltaic energy storage, industrial frequency conversion, and other fields, with customers covering leading global enterprises.
Supply Chain Elements
Our Supply Chain Management focus is to provide a competitive advantage by working with our supply base to meet and exceed the needs of customers. Practices include the supplier evaluation process used by commodity teams that assess the desirability of a supplier for long-term alliance relationships.
Capital Financing Terms for Buyers
90-day payment terms can be arranged.
OEM Services
We provide OEM service to all buyers around the world. We are an IATF 16949:2016-, ISO 14001:2016-, and ISO 45001-certified company. Any design and requirement from buyers will be welcomed.
Quality Control Measures
Our product testing process is strictly monitored to ensure the best quality for our clients. We inspect every step of production from basic materials to the finished products.
Product Inspection and Documentation Policies
Our quality control team strictly checks the specifications of the products before delivery to any buyer.
Product Shipping Terms for Buyers
All relevant taxes and shipping costs are to be shouldered by the buyer.
Minimum Order and Delivery Terms
A minimum order of 10,000 pieces for each product, with a lead time of 15-20 days.
Staff and Management Structure
Our management team works very closely with staff to ensure the development of quality products.
Staff Verbal and Written Communication Skills
All our staff are able to effectively and professionally communicate through written and verbal skills in both English and Mandarin.
Major Buyers
BYD, UNT, NIO, Shanghai Haimosic.
Major Suppliers
Ningbo Jintian Copper Industry (Group) Co., Ltd., Ningbo Boway Alloy Material Co., Ltd.
Key Areas of Expertise
Precision stamping & turning, ultrasonic/laser welding, selective gold plating, thermo-electric & stress simulation.
OEM/ODM
Factory OEM/ODM Capabilities
Our professional staff and state-of-the-art equipment allow us to have the capability to design and manufacture a wide range of new items according to the requirements. Our ability to provide buyer labels and design services for our clients makes us an attractive choice.
Number of Production Lines
52
Factory Size
3000.0 Square Metre
Number of QC Staff
5 to 9
Number of Production Staff
40 to 59
Number of R & D Staff
5 to 9
Years of OEM/ODM Experience
20
Design Services Offered
Customized designs are available. We can design according to the customer's drawings or samples.
Buyer Labels Offered
Customized designs are available. We can design according to the customer's drawings or samples.
Materials/Components Used
Purple copper, oxygen-free copper, brass, phosphor bronze, alloys.
Machinery and Equipment Used
20 auto lathes, 4 pin inserters, 3 3-axis centers, 3 CNC lathes, 2 presses, 2 crimpers, 2 taping machines, 3 grinders, 1 mill. 12 calipers,1 tensile tester, 2 micrometers, 2 CMMs, 8 microscopes, 5 CCDs, 1 XRF, and 1 hardness tester.
Monthly Capacity
7,000,000 to 7,999,999 Pieces
Monthly Output
7,000,000 to 7,999,999 Pieces
Minimum Order
10,000 to 19,999 Pieces
Major Markets Served
Asia, North America, Western Europe
Main OEM Customers
BYD (HPD module), UNT (CoreLink Integration) (HPD module), NIO (main drive module), Shanghai Haimosic (main drive module).
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