Changan Group Co., Ltd
Changan Group is one of the biggest MCB, RCCB MCCB, ACB, VCB, contactor, switchgear, transformer, power fitting and tools supplier in China, turnover 0.2 billion USD. Yiyen Electric is a voltage stabilizer, regulator, transforner, inverter, LiFePO4 battery storage system, Solar controller, battery charger professional manufacturer.
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