普洱SOP for plate flat welding flange
普洱Blind flange bl
普洱Threaded flange tr
普洱Flat welding flange with neck
普洱Neck butt welding flange
Add: B3 Workshop, Jinze town industrial zone,Qingpu,Shanghai
Tel: 021-59261579
Email: panhy@sh-wakamatsu.com
