Shenzhen Joysun Technology Co., LTD. (TMS International Tech (HK) Limited) is one R&D ,production and sales enterprise, founded in 2017 and headquartered in Shenzhen of China, setting up offices in Hong Kong and overseas. The company mainly produces high quality diodes,MOSFET, IC chips, IGBT and other related products, which are widely applied in various consumer electronics, industrial electronics and new energy fields. Headquartered in mainland of China, we take the brand (Hailanjiang) products as the core, and actively carry out innovative product technology to ensure that customers use the best quality products and strictly implement the ISO9001 international quality standards with a variety of certifications and honorary titles. We are committed to serving the middle & high-end market in order to provide you with high quality products. Looking forward to be partner with you!