Transformer, Switchgear, Substation manufacturer / supplier in China, offering 3500kVA 4000kVA 33kv 35kv Specifications Step Down Power Distribution Transformer, Pad Mounted 13.2kv 13.8kv 500kVA 750kVA High Power Electric Transformers 1000kVA, 10kv 15kv 315kVA 500kVA 1000 kVA Electric Transform Copper Core Step Down DC Transformers and so on.