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