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