Baotou coal chemical project
Service content：Supply seamless steel pipes, nodular cast iron pipes, sections, welded pipes and steel plates
Service time：2008.3~2010.7
4,000,000 tons/year coal indirect liquefaction project of Ningxia Coal Industry Group
Service content：Supply API 5L B and ASTM A672Gr.B60 longitudinal welded pipes
Service time：2013.6 begin
Coal-based olefin project of Shenhua Ningxia Coal Industry Group
Service content：Supply API 5L B and ASTM A672Gr.B60 longitudinal welded pipes and welded steel pipes, and alloy and carbon steel seamless pipes
Service time ：2008.9~2010.7
Coal direct liquidation project of Shenhua
Service content：Supply seamless carbon steel pipes, hydrogen sulfide-resistant steel pipes, steel plates, sections and provide on-site purchase service
Service time ：2006-2008
1,250 tons/year polycrystalline silicon project of Huanghe Hydropower Development Co., Ltd.
Service content：Supply seamless carbon steel pipes and alloy steel pipes
Service time ：2008.12~2010.6
1,000,000 tons/year coal tar hydrogenation project of Yanchang Petroleum Anyuan
Service content：Supply seamless steel pipes, spiral welded pipes and longitudinal welded pipes and provide on-site purchase service
Service time ：2012.8 begin
8,000,000 tons oil refining project of SINOPEC Hainan Petrochemical Co., Ltd.
Service content：Supply sections and plates and provide on-site purchase service
Service time ：2005~2006
Dushanzi 1,000,000 tons/year ethylene project
Service content：Supply API 5L Gr B seamless steel pipes
Service time ：2007.4~2008.4
Sanmen nuclear power station project
Service content：Supply alloy and carbon steel seamless pipes
Service time ：2008.4~2008.11
Hohhot 5,000,000 tons/year oil refining expansion transformation project
Service content：Supply ASTM A333 Gr.6 and 20# seamless steel pipes
Service time ：2010.12~2012.3
SECCO 900,000 tons/year ethylene project
Service content：Supply steel and accessories and provide on-site purchase service
Service time ：2003~2005
Vietnam (Meitou) chemical fertilizer project
Service content：Supply ASTM A335 P11 alloy seamless pipes
Service time ：2010.3~2011.5
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