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