Projoy is a professional electrical manufacturer committed to provide high and low voltage DC switch to energy conversion equipment and energy intelligent management system, intelligent components and intelligent sensors. Headquarter is located in China, PROJOY Electric has three R&D bases (Suzhou, Wenzhou and Xiamen), also set up subsidiaries or authorized distributors in Italy, Britain, Austrilia, India, Korea, Chinese Taiwan, and other countries and regions, to meet the needs of international marketing.

Since its inception, Suntree has started the prelude of building its own brand. After 10 years of experience, Suntree has won as many as 40 patents, including 10 invention patents. During this period, Suntree not only acquired Shenzhen Litto New Energy Co.,Ltd, entered into Grid inverter market, but also was rated as state-level high-tech enterprises and technology research and development centers, and has become the State Grid designated suppliers.In view of this, Suntree not only focus on the control of technical team and product quality, but also focus on the sales team. Both teams have 16 years of practical experience, which is enough to bring customers the best purchasing experience and safe electrical products.

ZJBeny is one of the leading manufacturers of DC products only for PV, such as DC combiner, DC solar isolators, DC circuit breaker, DC surge protection device, DC fuse and DC connectors etc. With more than 25 years experience in traditional electrical, ZJBeny now provides powerful support for the renewable business. As they strive to provide high-quality products, they have obtained TUV/CE/ROHS/SAA/ISO9001:2008 certification and with VDE certification is undergoing.