... -pressure boiler, stainless steel seamless pipes GB64792000 for high-pressure fertilizer facilities and electricity plant facilities, stainless steel seamless pipes GBl3296 ... -95 of 20G, 20MG, 25MG, 15MoG, 20MoG; Special pipes for fertilizer of 10G, 20G, Q345, Q390, 10MoVNb, 12CrMo, 15CrMo and 12Cr2Mo ...