Hangzhou Fuyi Tools Co., Ltd is a manufacturer who professionally produce electrofusion machines, socekt fusion welding machines, sockets& spigots, weld-in saddles sockets, IPS socekts, CPS sockets, Repairing Sockets, metric chamfering, inch chamfering, cold ring pliers, hole saw, electrofusion pipe scraper and other tools for PP-R / PE pipes and fittings.

Dinghui New Energy Co., Ltd. Was established in 2017 and is a photovoltaic enterprise that integrates the research and development, production, sales, and sales of solar energy products. It is committed to providing comprehensive solutions for distributed photovoltaic systems, providing consulting, design, construction, operation, and maintenance services.

Shenzhen UPSEN Electronic Co., Ltd. is a subsidiary corporation of UPSEN Holdings Co., Ltd., which is established in 2002 with the mission to accelerate the transition and development of new energy, and build a new energy world. We are a private high-tech enterprise integrating researching & development, production & operation and technical services as a whole, which is specialized in Electric, Electronic and Energy fields for a long time. Our main products are UPS Power, Inverter Power, Battery Power, Solar&Wind Power. We are dedicated to offer quality power and power solution for Data-center, Telecom, Bank, Hospital, Transportation, Industry, A-rmy, Security, and civil & office area etc. Moreover, we have mastered the core technology of power products through our independent research, we are one of few domestic enterprises which can meet the customers' customized requirements, and provide professional power solutions.