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