Automotive QualityUSB Type-C catalog, system certificate page
IATF 16949:2016
Automotive quality management system reference for connector manufacturing.
Dongguan Zhengde Connector
IATF 16949:2016
Automotive connector qualification support
Our Story
30+ Years of Relentless Innovation
What began as a small precision stamping workshop in Wenzhou, China has grown into one of the world's most trusted manufacturers of high-speed interconnect solutions. CZT (意华, SZSE 002897) serves Fortune 500 telecommunications companies, global automotive OEMs, and leading renewable energy integrators.
Our vertically integrated manufacturing model — spanning precision metal stamping, plastic injection molding, automated assembly, and comprehensive testing — gives us unmatched control over quality, cost, and lead times.
Today, CZT ships over 1 billion RJ45 connector units annually to customers in more than 60 countries, supported by 6+ subsidiaries and regional offices across China, Taiwan, and the United States.
Company Highlights
Publicly listed on SZSE (Stock Code: 002897)
Founded in 1995, Wenzhou, Zhejiang
8 manufacturing bases referenced in group profile
3,000+ employees worldwide
120+ R&D engineers, 5 R&D teams
CNAS L19440 laboratory reference
Exports to 60+ countries
002897
SZSE Stock Code
Shenzhen Stock Exchange A-Share
Key Milestones
A Legacy of Growth
1995
Founded in Wenzhou
CZT established as a precision metal stamping workshop, producing terminals and connectors for the domestic telecommunications market.
2005
Automotive Division Launched
Entered the automotive connector market with IATF 16949 certification, supplying ECU connectors and wiring harness terminals to Tier-1 suppliers.
2015
Global Expansion
Opened regional offices in Germany and the United States. Annual revenue surpassed $200M with exports to 40+ countries.
2017
IPO on Shenzhen Stock Exchange
Successfully listed on SZSE (stock code 002897), marking a new chapter of growth and global expansion.
2020
PV & Energy Storage Division
Launched photovoltaic junction box connectors and energy storage interconnects, becoming a key supplier to leading solar panel manufacturers.
2024
AI-Driven Smart Manufacturing
Deployed AI-powered visual inspection and predictive maintenance across all production lines, achieving sub-10 PPM defect rates.
Manufacturing Scale
World-Class Production Capabilities
Six+ manufacturing subsidiaries equipped with high-speed stamping presses, automated assembly lines, and comprehensive testing laboratories.
8
Manufacturing Bases
Group profile reference
3,000+
Employees
Engineering, production, QA
120+
R&D Engineers
5 dedicated R&D teams
1B+
RJ45 Annual Capacity
Crystal head connectors
500M+
USB Annual Capacity
Dongguan Zhengde facility
CNAS
Laboratory Capability
L19440 referenced in profile
Group Proof Points
Corporate profile signals now visible on the site
The local CZT profile adds buyer-facing credibility beyond product listings: manufacturing footprint, office coverage, R&D capacity, and laboratory references. These are useful for RFQ confidence, supplier qualification, and enterprise customer screening.
8
Manufacturing bases
Group profile material positions CZT as a multi-base manufacturing platform rather than a single connector workshop.
7
Offices / contact points
Commercial coverage supports engineering communication, samples, and customer follow-up across key regions.
5
R&D centers / teams
Connector programs can be reviewed across telecom, consumer I/O, automotive, energy, and custom application teams.
L19440
CNAS laboratory reference
The corporate profile references CNAS L19440 as part of the group-level quality and testing evidence set.
Supplier Qualification
Manufacturing evidence buyers can review
The legacy CZT strength pages and the Dongguan Yizhao resource package add practical proof for RFQ and supplier-screening conversations: tooling, making, electroplating, quality flow, partner evidence, and vertical integration. Claims below are framed as documented capability references, not unverified certification guarantees.
Tooling / Mold
Tooling and mold control
Old-site strength materials and the Yizhao profile point to plastic, stamping, and die-casting mold design, machining, assembly, and sampling support.
Buyer use: Useful when a program needs drawing review, sampling feedback, and mold-change communication before volume release.
Manufacturing / Making
Connector manufacturing depth
Documented process coverage includes injection molding, precision stamping, die casting, automated assembly, electrical testing, CCD inspection, and packaging.
Buyer use: Helps sourcing teams qualify CZT as a manufacturing platform rather than a catalog-only reseller.
Electroplating
Electroplating process support
The capability set includes plating-related process support and inspection tools such as X-ray coating thickness testing, XRF analysis, and plating solution analysis.
Buyer use: Relevant for connector programs where contact finish, coating consistency, and production control need review during RFQ.
Quality System
Quality system and inspection flow
Yizhao materials map IQC, first-article checks, in-process inspection, finished-goods inspection, OQC, reliability checks, and environmental tests.
Buyer use: Gives engineering and supplier-quality teams a starting point for PPAP-style questions, sample approval, and outgoing inspection expectations.
Honors / Partners
Honors and partner evidence
The legacy strength section includes honor and partner references; this page presents them as review evidence alongside the partner logo wall and award list.
Buyer use: Supports early supplier screening without treating partner logos or awards as substitutes for project-specific qualification.
Vertical Integration
Vertically integrated handoff
Design, tooling, molding, stamping, die casting, plating, assembly, testing, and quality inspection are positioned as connected steps in the supplier workflow.
Buyer use: Reduces avoidable handoffs across prototype, sample, production, and corrective-action discussions.
Dongguan Yizhao
Connector manufacturing with in-house process depth
Dongguan Yizhao supports connector programs across R&D, tooling, injection molding, stamping, die casting, automated assembly, testing, and quality control. This capability layer helps sourcing and engineering teams move from product matching to sampling and RFQ review with fewer handoffs.
1,095
Dongguan Yizhao team members
167
R&D and engineering staff
137
Quality and operations staff
36
Injection molding machines
18
Stamping presses
217
CCD, testing, and packing systems
Process Depth
From tooling to outgoing quality control
Tooling & Mold Build
Plastic, stamping, and die-casting mold design, machining, and assembly support sampling and production transfer.
Molding, Stamping & Die Casting
In-house injection molding, precision stamping, and connector structural die casting reduce supplier handoffs.
Automated Assembly
Automated electrical testing, CCD inspection, and packaging lines help stabilize high-volume connector output.
Quality Control Flow
Incoming inspection, first-article checks, in-process inspection, finished-goods inspection, and OQC are mapped across production.
Inspection Equipment
Measurement and reliability checks for connector programs
X-ray coating thickness tester
X-ray fluorescence spectrometer
Plating solution analyzer
IR reflow oven
CMM measurement system
Colorimeter
Insertion and withdrawal force tester
Normal force tester
Vibration tester
Hardness tester
Visual Evidence
Extracted factory, production, and quality visuals
Dongguan Yizhao factory
Facility image extracted from the local Yizhao company profile deck.
Connector production floor
Production-floor visual used to support the manufacturing-scale section.
Quality laboratory
Lab and inspection equipment visual tied to IQC, OQC, and reliability checks.
Global customer / office footprint
Global footprint material extracted from the company profile package.
Quality & Compliance
Globally Recognized Certifications
CZT maintains rigorous quality management systems certified to international standards across all manufacturing facilities.
Quality is our foundation
Certifications & Compliance
ISO 9001
Quality Management System
IATF 16949
Automotive Quality Standard
ISO 14001
Environmental Management
UL
Underwriters Laboratories
CE
European Conformity
RoHS
Restriction of Hazardous Substances
Certificate Evidence
Resource-pack certificates now surfaced for buyer review
Selected management-system, product-level, and CNAS laboratory references have been extracted from the local CZT / Yizhao catalog package and promoted into the website qualification layer.
Quality ManagementUSB Type-C catalog, system certificate page
ISO 9001:2015
Quality management system reference covering connector production and process control.
Quality management system
Connector production controls
Supplier qualification evidence
Environmental ManagementUSB Type-C catalog, system certificate page
ISO 14001
Environmental management system reference for responsible manufacturing operations.
Environmental management
Manufacturing operation controls
ESG / audit support
Product CertificationUSB Type-C catalog, certification section
USB Type-C Female
Product-level Type-C female connector certificate reference for USB connector sourcing.
USB Type-C female connector
Product qualification evidence
Catalog-backed certificate reference
Product CertificationUSB Type-C catalog, certification section
USB Type-C Plug
Product-level Type-C plug certificate reference for cable and device connector programs.
USB Type-C plug
Cable / device connector programs
Product certificate reference
Laboratory AccreditationCZT corporate profile, CNAS L19440 section
CNAS L19440
Group profile reference to laboratory accreditation under ISO/IEC 17025:2017.
Registration No. CNAS L19440
ISO/IEC 17025:2017
Effective 2023-11-20 to 2029-11-19
Subsidiaries
Subsidiaries & Global Layout
CZT operates through specialized subsidiaries, each focused on specific connector technologies and markets.
Dongguan Yizhao
RJ45 / Network Connectors
600+ employees
Core RJ45 manufacturing base with 1B+ annual capacity
Dongguan Taikang
HDMI Connectors
500+ employees
Specialized HDMI connector production facility
Dongguan Zhengde
USB Connectors
400+ employees
500M+ USB connectors annual production
Suzhou Yihua
Automotive / SFP / Transformers
600+ employees
Automotive-grade connectors, SFP modules, and magnetic components
Wuhan Yigu Optoelectronics
Optical Components
Optoelectronic R&D and manufacturing
Hunan Yizhao
Connector Manufacturing
Regional production and logistics hub
R&D Strength
Engineering Excellence
5 dedicated R&D teams with 120+ engineers driving innovation across all product lines.
CAE Engineering Analysis
Structural analysis, mold flow simulation, signal integrity analysis, and thermal analysis capabilities.
Design Tools
Pro/E, AutoCAD, and PLM systems for end-to-end product lifecycle management.
5 R&D Teams
Dedicated teams for telecom, automotive, energy storage, consumer electronics, and custom solutions.
120+ Engineers
Cross-disciplinary team covering mechanical, electrical, materials, and manufacturing engineering.
Rapid Prototyping
15-day prototype turnaround with in-house tooling and 3D printing capabilities.
Testing Labs
Full environmental, mechanical, and electrical testing per IEC, UL, and automotive standards.
Recognition
Partners & Awards
Key Partners
The partner wall now uses the logo set published on CZT's official website, complemented by the customer references extracted from the local company profile.
Awards & Recognition
Huawei Core Supplier Award
ZTE Best Quality Supplier
Foxconn Strategic Partner Award
National High-Tech Enterprise
Zhejiang Province Patent Demonstration Enterprise
China Connector Industry Top 10