Since our products quality and production process  are controled by our manufacturer very seriously,          and since our company seriously manage the products export for abroad clients, we have got the          Certificates as follows:            　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 Email: 　 　 zhbc0@zh-steelpipes.com 　 　 TEL: +86 152 8103 6167

Email: pipe2012@163.com