Brass nut, fittings 1. ANSI; DIN; SAE; BS ... Certification: ISO9001:2008 Specifications:1. Product Name: Brass nut, flare nut, brass fittings2. Raw Material: Brass 58-3, C37700 ... equipment and different kinds of industrial copper pipe fittings, etc. Changshan Hongfeng Tubing Co., Ltd. ... equipment and different kinds of industrial copper pipe fittings, etc.Ensuring high quality reliable products, ...