A plumbing service provider you can try to get to know.


A new year brings a new beginning. Tianjin Zhengneng Pipe Industry Co., Ltd. is a professional enterprise integrating pipeline production, sales and export. The company’s main products include boiler pipes, fertilizer pipes, petroleum pipes and structural pipes.
Zhengneng Pipe Industry is committed to providing reliable and valuable project and operational solutions to customers and partners around the world, including the boiler industry, oil and gas industry, water conservancy, mining, energy industry and mechanical equipment industry. Products are sold to Southeast Asia, the Middle East, North America and South America.
Today we will introduce our company’s main products. Our company’s main products are: Boiler Pipes account for 40%; line pipes account for 30%; Petrochemical pipes account for 10%; heat exchanger tubes account for 10%; Mechanical pipes account for 10 %.
Main materials include:
1.Boiler Pipes 40%
ASTM A335/A335M-2018: P5, P9, P11, P12, P22, P91, P92; GB/T5310-2017: 20g, 20mng, 25mng, 15mog, 20mog, 12crmog, 15crmog, 12cr2mog, 12crmovg; ASME SA-106/ SA-106M-2015: GR.B, CR.C; ASTMA210(A210M)-2012: SA210GrA1, SA210 GrC; ASME SA-213/SA-213M: T11, T12, T22, T23, T91, P92, T5, T9 , T21; GB/T 3087-2008: 10#, 20#;
2.line pipe 30%
API 5L: PSL 1, PSL 2;
3.Petrochemical pipe 10%
GB9948-2006: 15MoG, 20MoG, 12CrMoG, 15CrMoG, 12Cr2MoG, 12CrMoVG, 20G, 20MnG, 25MnG; GB6479-2013: 10, 20, 12CrMo, 15CrMo, 12Cr1MoV, 12Cr2Mo, 12Cr5Mo, 10MoWVNb, 12SiMoVN b;GB17396-2009:20, 45, 45Mn2;
4.heat exchanger tube 10%
ASME SA179/192/210/213 : SA179/SA192/SA210A1.
SA210C/T11 T12, T22.T23, T91. T92
5.Mechanical pipe 10%
GB/T8162: 10, 20, 35, 45, Q345, 42CrMo; ASTM-A519:1018, 1026, 8620, 4130, 4140; EN10210: S235GRHS275JOHS275J2H; ASTM-A53: GR.A GR.B

semless steel pipe