... VDE,CQC,CB,CE certificates Su Zhou Changhe Electronics Co.,LTD is a specialized terminal blocks manufacturer with the whole ... D,production and marketing ,which belongs to the Changhe Group(Hong Kong) Co.,LTD ,as one of the production and marketing bases in ... it’s mainly used in Illumination,Lighting,LED field including Electronic Transformer,Dimmer,HID Drive,Lighting control system; Security products ...