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