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