Shenzhen crystal chemical co. Ltd. Has its registered address on the streets of ping lake, yonggan district, shenzhen city the registration authority is the longjong inspectorate of the shenzhen market supervisory authority, with legal representation, which covers chemical products, the development and purchase of chemical materials (excluding flammable, explosive and dangerous chemicals); domestic trade (except for projects subject to authorization before registration under laws, administrative regulations, decisions of the state council); import and export of goods and technology (except for projects prohibited by laws, administrative regulations; and projects restricted by laws and administrative regulations). Yeah