About Us
Wanjia is a cable and power product manufacturer with 30+ years of experience,
dual China-Thailand production bases, and global customers.
OUR PHILOSOPHY
Quality First
Integrity Always
We believe long-term partnerships are built on reliable quality, honest communication and responsible manufacturing. From product development to production and delivery, we stay committed to dependable products and trustworthy service.
“Quality and integrity guide us as we innovate, improve and create lasting value for every customer.”
Liming Yan
Founder / General Manager


ABOUT WANJIA
For more than three decades, Wanjia has focused on the development and manufacturing of cable, power connection and charging products. Our main product range includes extension cords, booster cables, cord reels, battery cables, inverter cables, work lights, power strips, EV charging cables, battery chargers and AC EV charging solutions.
Product development is an important part of our business. Wanjia holds 65 patents, including invention and design patents, reflecting our continued investment in product structure, functionality and usability. Our design capabilities have also been recognized with the German iF Design Award. By combining engineering experience with practical manufacturing knowledge, we support both standard products and customized customer requirements.
Wanjia operates production bases in China and Thailand, covering approximately 60,000 m² and 18,424 m² respectively. Supported by more than 280 employees, our teams work across research, production, quality management, sales and customer support. This dual-base structure provides customers with greater flexibility in manufacturing and sourcing.
Quality and integrity remain at the center of how we operate. Our products are supported by internationally recognized certifications and standards, including UL, ETL, TÜV, CE and SGS.
Over the years, Wanjia has served customers across North America, South America, Europe, the Middle East and Southeast Asia. Guided by our philosophy, “Quality First, Integrity Always,” we continue to develop reliable products, practical solutions and long-term value for our customers.
Certified to International Standards
We work with internationally recognized testing and certification organizations and hold multiple certifications, including UL, ETL, CE, SGS and TÜV, supporting reliable product quality and compliance across different markets.
Manufacturing Competitive Edges
High level of vertical integration (Cost and Quality)
01/
Thermoplastic insulation material (PVC)manufacturing
04/
Copper plated aluminum electro-plating facilitie
02/
In-House Conductor Production (Drawing & Annealing)
05/
In-house Tooling Factory
03/
Punch pressing hardware component
Automated assembly line
01/
Battery clamp assembly semi-automation and automation
02/
Booster cable assembly and packing line semi-automation
03/
Electrical cord terminal crimpling semi-automation
Wire and cable engineering and manufacturing focus
01/
12V and 24V wire and cables
02/
300V/600V wire and cables
Thailand Manufacturing Site (Since Year 2023)
01/
China US Tariff Relief
Employees (China and Thailand)
Staff (excluding factory workers)
Management: 45
Marketing and Sales: 30
Engineers including QA and QC: 30
Logistics: 10
Finance and Support: 15
Factory Workers: 150+
Total: 280+
Workers in Thailand Site: 75+
Market Shares
Quick Facts About Wanjia
Find quick answers to common questions about our experience, products, factories and manufacturing capabilities.






