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