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