滑动轴承JDB自润滑石墨铜套 JDB石墨铜套
≥1000个
≥10000个
万赢石墨石墨铜套生产厂家,自润滑,镶嵌石...
厂家直销石墨铜套自润滑轴承无油轴承JDB...
JDB石墨铜套自润滑无油轴承衬套高品质厂...
厂家直销扒渣机用石墨铜套,轴套
进店