HengTong Tubing CO., Ltd of China. We are one of the best professional companies to manufacture stainless steel / carbon steel / alloy steel pipe and pipe fittings (caps, reducer, Tee, Cross, valves, flanges). We have plenty exporting experience over 8 years. We have competitive prices and great quality. Our products are all produced under a Moody International accredited API Q1 and ISO9002 QA system. We have our own lab and inspectors.We are a reliable partner. The advantage of TengTong is to supplying for projects. We are professional in this field. Our client includes NIOC, Oman Oil Company, ESSAR and so on. For more information, you are welcomed to visit our website: http://www.ht-pipefittings.com/