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