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