Ruijian Petroleum Equipment (Tianjin) Co., Ltd. can provide API products such as oil casing & tubing, couplings, and pup joints etc.At present, we have 4 automated production lines for petroleum specialized pipes and 1 intelligent production line for external thickening and coupling production line. It can process and supply oil pipes, casings,  couplings and pup joint with outer diameters ranging from 48.3mm to 508mm, which can meet various steel grades and thread types such as J55, K55,N80, L80,L80-9Cr, L80-13Cr,P110,Q125 etc steel grade.

Large‑scale automatic production lines with full‑process quality control

 to meet supply demands of global oil & gas projects.

Our factory is equipped with complete sets of professional pipe‑processing facilities and mature manufacturing technology. 

We own strong technical strength and full‑range NDT & physical‑chemical testing instruments.

 Supported by sound quality‑control system, we strictly comply with API‑5CT standards to guarantee stable and reliable quality for every batch of OCTG products.

Our production OD range:48.3‑508mm for J55/N80/L80/P110/L80‑13Cr tubing, casing, couplings and pup joints. Annual output:150,000 tons OCTG, 100,000m sand screens.

To be a professional global manufacturer of oil & gas drilling tubular goods

Target API standard OCTG products, devote ourselves to oil & gas industry

Recruit talents on merit, 

build professional  team

Adhere strictly to API standards, quality underpins oil & gas exploitation

Focus on global client demands,

 pursue win-win cooperation