Tianjin SERI Machinery Equipment Corporation Limited successfully produced middle & large diameter mandrel bar

PUBLISHED ON 26/11/2010

Tianjin SERI Machinery Equipment Corporation Limited, TPCO group’s subsidiary, successfully produced mandrel bar of Ø352.8 mm on October 29th 2010. It marks that SERI has the capacity to manufacture middle & large diameter mandrel bar and relieves import reliance.

Φ406.4×12.57mm Casing with TP-QR Premium Connection is Successfully Put into Commercial Production

TPCO nickel-based alloys tubing with premium connection was successfully applied downhole