??? ??? lianyungang city TOP quartz products Co., LTD. Is established jointly with Austria overseas Chinese joint venture enterprise is located in the China quartz center DongHaiXian, jiangsu province. The company covers an area of 40 acres, with fixed assets of 16 million yuan DuoNian is one has the special electric light source industry production experience, more than 20 engineers engaged in designing, research; Carry forward quartz pursue the excellence quality, we in order to strictly ...