1 . 磨料磨具制造

Shalun Chang of the China for the seventh ( the plant was built in 1967 ) a restructuring of the considerable strength of the abrasive abrasive manufacturing company .为原中国第七砂轮厂（该厂始建于1967年)改组形成的颇具实力的磨料磨具制造公司。

1 . 磨料磨具制造公司

Shalun Chang of the China for the seventh ( the plant was built in 1967 ) a restructuring of the considerable strength of the abrasive abrasive manufacturing company .为原中国第七砂轮厂（该厂始建于1967年)改组形成的颇具实力的磨料磨具制造公司。

1 . 磨具在磨具

Since then , a natural abrasive in the abrasive diminishing proportion ., 此后 , 天然磨具在磨具中所占比例逐渐减少.

1 . 顺宏昌磨具磨料

shun hongchang abrasives abrasive co. , ltd ., 顺宏昌磨具磨料有限公司.