Zhejiang Zhonghuan Sunter PV Technology Co. Ltd was founded in 2004, a leading National High-Tech Enterprise specialized in research & development & sales of solar PV junction box, connector and cable. Company has production area more than 100, 000 square metres, independent professional R & D team, advanced molding manufacturing equipment and testing equipment. While we have more than 100 professional junction box injection moulding machines, 60 professional production lines, 40 automatic punching machine and automatic assembly machine, we are confident to offer the quality products to our customers.

Company has more than 1500 employees. daily production capacity of junction box reach sets 250, 000 sets, products are approved by TUV, UL, IEC, JET, Rohs certifications. Company has passed the ISO9001, ISO14001 and OHSAS18001 system certification. Our junction boxes are used by many well-known domestic and foreign solar PV module producers, helping us build an excellent reputation in solar PV field.


We advocate for using green energy start from ourselves, the company generate electricity around 2MW through the solar array, the electricity of 50% production are used from solar conversion. we are constantly seeking to improve our technical level and raise the quality of our products, to satisfy the market requirements for environmental protection and energy products.