We are Huanyu precision test instrument factory based in , China. member of Tradekey.com since September, 2011. Our business is related to Electrical & Electronics Supplies industry and we specifically deal component parameter ,transformer,motor winding instruments. Please find our ...

Changzhou Helpass Electronic Technologies, Inc is a hi-tech enterprise specialized in R&D, manufacturing and sales of electronic equipment. It focused on the measurement field cutting-edge technology research continuous innovation based customer needs, had number national patents ...