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