MaoZhuang industrial Area,NingYang Tai'an, Shandong
ShanDong NingYang TianYuan stainless steel ball Co.,Ltd.found in 1987 is one of specialized manufacturer China. We are mainly produce ball(440C,304C,316L,420,430),also carbon ball(1015,1045,1085)axes ball(GCR15), copper ball,glass ball,Titanium ...
stainless steel ball, small steel bead, bearing steel ball, hard alloy ball