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