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