Changzhou zhongtian Steel Pipe Co., Ltd., founded in 2005, an area of 10 thousand square meters, construction area of 38,000 square meters, total investment of 85 million yuan . Co***ny's leading product is spiral double-sided submerged arc welding pipe, seamless steel pipe, straight seamless steel pipe, hot-rolled steel pipe, hot expanded steel pipe,etc. the products meet the performance standards : National standard, American standard, the U.S. petrochemical standard, DIN, JIS and so on. For many...
|