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