主营:铜排模具+聚晶拉丝模具+硬质合金拉丝模具+拔管内外模具+螺旋模具+气保焊丝模具+电焊条模具+异型拉拔模具+钢帘线模具+直杆模具+模具+拉丝模具+合线模具+硬质合金模具+异型拉丝模具+扁线模具+铜包钢拉丝模具+六角模具+