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