Tswb Pob ISO9001: 2016 Daim Ntawv Pov Thawj Ntawm Cov Khoom Uas Tsis Muaj Hlau Stainless

Kaifeng Bell Stainless Steel Ball Manufacture Co, .Ltd tau raug tshuaj xyuas los ntawm GIC thiab ua raws li GB/ T19001-2016/ ISO9001: 2015