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