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