ASME B16.5 Weld neck、Threaded、 Socket welding、Slip-on Welding、Lapped、Blind Dimensions of Class 300 Flanges in Inches and Millimeters.
Contact: Sino Special Metal Co., Ltd.
Phone: 86-19527792928
E-mail: sales@ssmsteel.com
Whatsapp:86-19527792928
Add: Mudu town Jinfeng South Road, Wuzhong District, Suzhou City, Jiangsu Province
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