The co***ny also deals with imported and homemade high-pressure alloy pipes of A335P11, P91, P92, etc; Primoric carbon pipes for high-pressure boiler GB5310-95 of 20G, 20MG, 25MG, 15MoG, 20MoG; Special pipes for fertilizer of 10G, 20G, Q345, Q390, 10MoVNb, 12CrMo, 15CrMo and 12Cr2Mo; Pipes for oil cracking GB9948-86 of 10, 20, 12CrMo, 15CrMo, 1Cr2Mo and 1Cr5Mo