Osaka Transformer Company (OTC) was established in 1919 in Japan. OTC is one of the largest professional manufacturers of welding machines and unsetmatic welding equipment in the world. Today, OTC DAIHEN's global activities focus on three business pillars: Power Products, Advanced Components and Welding & Mechatronics.

In the late 1970s, OTC Japan developed the first generation of dedicated arc welding robots. The first OTC robot, THOR, was launched in 1981. In December 1985 the company name was changed from Osaka Transformer Company to DAIHEN Corporation.

As a trusted distributor in China for years, OKmarts can provide a broad series of OTC fans, such as OTC CPU fan, OTC welder fan, OTC motherboard fan, OTC robot fan. Here you can get the quickest response, largest available fan inventory, shortest lead times and competitive pricing.

Moreover, there’s always an extra bonus for bulk orders!