五家渠SOP for plate flat welding flange
五家渠Blind flange bl
五家渠Threaded flange tr
五家渠Flat welding flange with neck
五家渠Neck butt welding flange
Add: B3 Workshop, Jinze town industrial zone,Qingpu,Shanghai
Tel: 021-59261579
Email: panhy@sh-wakamatsu.com
