公司简介
Yongnian County, Hebei Province, Kai-hui standard factory Main Products: Nut GB, high-strength nuts, bolts GB, special bolts, special nuts, hair bolt, anchor bolts, double bolt, single-head wire, square head bolts, long bolts , T-bolts, all kinds of bucket-type wire, oval wire, screw, flat-key pad, such as oblique side.