Ningbo Jingang Electronics Co., Ltd established in 2020, the first level agent of TOJOIN,factories located in Ningbo and Shenzhen cities, mainly supply for RF SHIELD BOX, RF SHIELD ROOM, GPS REPEARTER and related RF ACCESSORIES. TOJOIN company has more than 15 years expreience on R&D and manufacturing.JINGANG has passed ISO9001 and CE`GS product certification. The products are exported to more than 20 countries and regions in Europe, America, Japan, South Korea, Southeast Asia, etc. at an annual rate of 30%. Clients like FOXCONN/JABIL/INTEL/GOOGLE/ARRIS/SANMINA/MAXLINEAR/TP-LINK/BOSCH/PEGATRON/QUALCOMM etc.