NINGBO YINZHOU CHUNHUI FASTENER FACTORY

　Ningbo Yinzhou Chunhui Fastener Factory is specialized manufacturing all kinds of hex nuts. It is located in Shangyou Village, Cailang Bridge, Jiangshan Town, Yinzhou District, Ningbo City, Zhejiang Province. With advanced equipments, first class technology, Chunhui Factory has been producing nuts more than 20 years. To ensure each product's quality, we have set a series of strict requirements from purchasing raw material to all the processes of making nuts. We attained ISO9001:2000 quality management system certificate in the year of 2005... Ningbo Yinzhou Chunhui Fastener Factory mainly produces hex nuts (including GB, ANSI, DIN, BSW, JIS etc.), slotted nuts, hex nuts with flange face, nylon insert lock hex nuts. At the same time, we also produce nonstandard nuts according to customers' requirements. The material used mainly is carbon steel, also including 35CrMo, 42CrMo, B7 and others. Product range is from M24 to M80, and 1" to 3". Product grade contains grade 2, 5, 6, 8, 10, 2H..