1, Die open forging forging products 2,Carbon steel alloy steel forging products 3,The fan motor shaft seal with shaft ... maturity,Strict product testing,Strict quality control to ensure products meet customer requirements3,Our Certification:ISO9001,ISO14001,Manufacture License ... Shipping(KR),Det Norske Veritas(DNV) ……4,Our main products include shaft, impeller, cylinders and other accessories for the ...