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