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