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