Haishan machinery, your wear-resistant parts expert, provides customers with pre-sale, in sale and after-sale services just like what they think. We are willing to sincerely cooperate with friends
Customized C93200 tin bronze spiral oil grooves copper bearing bushing Main Material Main Material Cu Sn Zn Pb Fe Al Mn P Ni C93700 78-82 9-11 8-11 ...