Ethylene Plant Steam Cracker Coil Systems 1.Standard:ASME,ANSI,ASTM,DIN,GB 2.Material:25Cr35Ni+ ... .9.Certification:ISO9001:200810.Payment:L/C,T/T11.Application:Used for Da Qing Petrochemical Company 1,200,000 Ton/Year ... capacity,mta20,000-250,000 Ethylene Plant Steam Cracker Coil Systems