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