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