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