Hebei tiantai machinery group limited liability corporation is a medium-sized private enterprise. By flexible mechanism and high-tech products, we win the praise of clients. We, gathering manufacture and export and trade, are a home professional manufacturer. Mainly products are seamless steel pipe and tubes, thermal expansion steel pipe, hot-rolled steel pipe, spiral welded steel pipe and tube and sleeve, product implementation astm a106, astm a179, astm a53, gb/t8163, gb/t8162. Gb/t3087, api 5l. Od: 108mm-219mm, w.T: 6mm-30mm
