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