We are the sales department of Linzhang Changqing machinery
Co.,ltd, which are the manufacturer of cast iron and ductile iron
valve body, The main material we can supply is GG*5, GGG*0 and
GGG*0.3, and also have obtained the ISO***1, PED certificate from
the year ***8. The AVK and ARI and GEMU tec. is our customer. We
have the business relationship more than 5 years.
