China Petroleum Liaohe Equipment Company (CPLEC) is a subsidiary company of China National Petroleum Corporation (CNPC) and it is one of the main equipment manufacturers of CNPC. The core business of CPLEC is land & offshore petroleum equipment manufacture and engineering solutions. CPLEC mainly engages in designing and manufacturing offshore engineering equipment, land petroleum equipment, wind power generation equipment, cranes and electrical control system. CPLEC also provides technical service and equipment leasing.

Today, CPLEC has more than 4,000 staff members, and totally 625 engineering technicians, including 68 of senior technical title, 354 of middle technical title, and 203 of junior technical title. CPLEC also has more than 3,000 professional workers with various techniques, including 20 senior technicians and 200 more technicians.

CPLEC covers 2,630,000sqm, with most advanced equipments, technique and complete testing units, more than 1000 sets of equipments. Annually manufacture capacity of CPLEC can be more than 70 sets heavy duty drilling rigs, 4 sets offshore platforms, 10 vessels, and 400 sets equipment for workover & oil production. CPLEC has the largest rig assembly center around the world.