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