Company Profile

Topstone Corp. is a professional manufacturer engaged in the research, development, production and sales of overload protectors, boat switches and circuit breakers. It has offices in Taiwan, China and Shanghai.。

TopStone（TS）Established in 2006 and established with the technical support of Taiwan Yihe Industrial, it is one of the earliest manufacturers of overcurrent protectors and appliance switches in China. After years of continuous innovation and development, it has become a manufacturer with its own brand and patent. At present, there are electromagnetic, hydraulic and thermocouple circuit breaker series products that have been developed and produced. They have passed CUL, TUV, ENEC, VDE, CCC and other safety certifications and RoHS environmental protection certification. Now products L1, L2, L3, L8, W series and E series products are the best-selling and cost-effective products in the world. These products are widely used in generators, air compressors, UPS, power tools, electric toy cars, large-scale complete sets of equipment, plugs and sockets, etc. The products are exported to Europe, the United States, Canada and other parts of the world.

At present, the company has a set of self-made lathes, metal stamping, silver contact cold pressing, plastic injection molding, bakelite injection molding and automated assembly production lines. The products and accessories are all self-made and can respond quickly to customer requirements. Is the fastest manufacturer of the same delivery time。

Our mission is to provide a one-stop, complete solution from design to production, professional processes and high quality requirements that are our commitment to customer satisfaction.。

Our goal is to produce high-quality, environmentally-friendly, cost-effective products, to meet the needs of customers with professional after-sales service, and ultimately achieve a win-win situation。