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