Shandong Liaocheng ZhongGangLian Metal Manufacture Co.,Ltd, dated from the year 2000, after 8 years of hard- working ,now the company has become an international seamless pipe manufacturing company.������占�The company is located at Chinese biggest seamless steel pipe base, north of the Changjiang River, The Water City-- Shandong Liaocheng. It occupies a land area of 800,000 square meters; north is JiHan Highway, west is the Beijing-Kowlon railway.������占�e company has two complete steel pipe production lines at present: One has 60, 90 punchers , 6 Cold- drawn production line, and 1 hot rolling production line, mainly produces the thick wall seamless steel pipe with outer diameter 30mm -219mm ; The other is the 325mmASSRL tube rolling-mills, it is the national biggest three roller tube rolling-mill, using the core rod, limit moves the minor cycle technique, and the third-level computer control's automated system, all achieve the international standards. The products mainly cover outer diameter 177mm -377mm , wall thickness 10mm -100mm , outer diameter precision 筌�옙.5%, wall thickness precision 筌�옙%���������� the advanced technique of production, the fine product quality, the extra wide product group moment and the high quality service, the company wins high praise from both Chinese and foreign steel pipe industry.�����This company passed the ISO9001:2001 international quality control system authentication.������占�Used material櫻�옙��roducts Quality :20#�����#�����#�����G�����A�����Mn2�����Mn2�����SiMn�����MnB�����MnVB�����Cr�����Cr�����Cr�����Cr�����Cr�����Cr�����8CrSi�����CrMo �����CrMo�����CrMo�����CrMo�����CrMoV�����Cr1MoV�����CrMoAL�����CrV�����CrMnSi�����CrMnSi�����CrMnSi�����0CrMnTi�����CrMnTi�����CrNi2�����2CrNi3�����Cr2Ni4�����CrNiMoA�����CrNiMoVA�����G�����MnG�����MnG�����CrMoG�����CrMoG�����Cr2MoG�����Cr1MoVG�����Cr2MoWVTiB�����2Cr3MoVSiTiB
