CNPC
Boiler-making; Metal casting; Printing; Water treating; Fuel processing, namely, oil refining; Processing and treatment of chemical reagents, namely, conversion of targeted substrates into targeted chemical preparation by treatment with enzyme systems; Processing of oil; Abrasion, namely, burnishing by abrasion; Electroplating; Metal treating; Air purification; Recycling of waste and trash; Fuel refining services; Production of energy
Registered · May 9, 2005 · 79019139 ·