A junction box for thin-film solar system passes TUV test. It can use 2 to 10 series solar panels in parallel to output to the inverter. Each string has a diode to keep the current conducting in the forward direction. The product has obtained the Chinese patent certificate, the waterproof grade is IP67, the rated current is 3A, and the maximum output current is 30A.

Exhibition date: September 12-13, 2019
Venue: Birmingham National Exhibition Centre NEC Birmingham UK

Seoul International Sports and Leisure Products Fair (SPOEX)
Exhibition time: 2019
Venue: Korea COEX Exhibition Center, Seoul

Munich International Sports and Fashion Expo ISPO, Germany
I. Exhibition Date: January 26, 2019
Second, the exhibition location: New Munich Exhibition Center

The two-year (Winter/Summer) US Salt Lake City outdoor exhibition has experienced more than 30 years of growth and has become one of the world's top outdoor products exhibitions. Innovative research techniques in winter and summer,