Comply with ASME, AWS, ISO、AS/ANS、GB
and other standards, possess PQRs of various materials, such as carbon steel, heatproof steel,stainless steel, duplex stainless steel, super duplex
stainless steel, titanium, zirconium,copper-nickel alloy, tantalum, nickel-based
alloys(include hastelloy C) and its
cladding plates.