... boiler, stainless steel seamless pipes GB64792000 for high-pressure fertilizer facilities and electricity plant facilities, stainless steel seamless pipes ... other technical agreements; The company also deals with imported and homemade high-pressure alloy pipes of A335P11, P91, P92, etc ... of 20G, 20MG, 25MG, 15MoG, 20MoG; Special pipes for fertilizer of 10G, 20G, Q345, Q390, 10MoVNb, 12CrMo, 15CrMo and ...