Chongqing Qingyang Qingyang Group, is located at Beibei industrial park and covers an area of more than 50,000 square meters. It is a national high-tech enterprise and has four subsidiaries: Chongqing Peak Pipeline Co.,Ltd., Chongqing Grows Technology Co.,Ltd., Chongqing Ke'an Electric Equipment Co.,Ltd. and Chongqing Haizhiyun Mining Equipment Co.,Ltd.. Qingyang Group has more than 30 patent technologies, many of them filled in the blank of international high polymer technology; It has highly ...