16mm镀锌起重链条,捞渣机起重链条,碳钢起重链条
国标防锈18x54mm起重链..
链条直径6x18mm起重链条..
24x72mm发黑起重链条,..
耐磨10x30mm锰钢材质8..
20mn2材质浸漆8x24m..
20mm起重链条,起重链条葫..