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Our factory mainly produces various types and specifications of hexagon nuts, and the grades are 4 6 8 10 respectively. The standard is ISO4032 DIN934, A194 2H, DIN6915, DIN985, and the  production size range is from M8 to M64. Our current sales market is mainly in China and a small number of exports. I hope to get your strong support

Ningbo Zhongli Bolts Manufacturing Co.td, a specialized bolts and screws manufacturer and supplier with over 19 years experience of fasteners production and technology.

Ningbo Zhongli Bolts Manufacturing Co.td, founded in 2003, is a professional manufacturer of high-strength in different specifications for various models. Covering an area of about 10,000 square meters, registered capital of 1500,000 yuan, with the total annual productivity of 15,000 tons. The company has set up several sales branches in China. Meanwhile, the company’s products are exported to Europe, the Americas, the Middle East, Southeast Asia and other regions. The company has strong technical strength, complete testing equipment and a variety of fully automatic multi-station cold and hot heading machine, so as to provide you with reliable and high quality products.

Ningbo Zhongli bolts manufacturing co.ltd was set up in 2003, we have domestic and export two sales markets. We export high tensile carbon steel hex bolts to EU, Africa, Middle East, Asia market with DIN standards and ANSI standards; we sell to domestic with GB standards.

We strive to offer the first-class service, competitive pricing and in-time delivery.We’d be thrilled to become a key supplier of you and promise to represent our suppliers in a professional manner.

Our mainly products are high tensile hex bolts, nuts,washers with DIN, ISO,GB,ANSI standard hardware, we are factory with our own export department. Our factory has 19 years history. We have strict inspection system and ERP management system. Quality is the most important in our eyes.
If you can give us chance to offer and cooperate with you, you will find that we are a reliable and trustable suppliers in China.

Our main products are American (ANSI) and German (DIN) standards. The main varieties are hexagon bolts, flange bolts, carriage bolts, standard bolts and B7 thread rod. Products are widely used in machinery, construction, automobile manufacturing, petrochemical and other connecting and fixing various objects.
We can accept small quantity if we have stock, our mainly produce heavy hex bolts ASTM A325.

We are professional A193 B7 threaded rod manufacture in China.

The stud bolts production standard grade: B7; B7M; L7, L7M and B16

Production range: 1/2″- 2″ diameter,

M10-M56;

The length is 16-5000 mm

Standard: ASTM A193, DIN975,DIN976

Raw material: B7,42CrMo.

Certificate: ISO9000

We are a factory specializing in the production of hexagonal socket bolts. With 19 years of production experience, we can mainly produce 8.8 10.9 12.9 grade hexagonal socket screws. The production size ranges from M10 to M48. The standards include German standards, ISO standards, and GB standards. We are very famous in China for our brand ZYL. The delivery period is short, and we can ship the products in batches according to customer requirements. Hope to have the opportunity to know more business partners

Our factory has 19 years history, we have domestic sales teams and export sale teams. Our factory can produce DIN,ASTM,GB standard hex head bolts, hex socket screws, stud bolts A193 b7, hex nuts, washers, spring washers. We took part in Chinese canton fair, Shanghai fastener fair, USA fastener fair and Dubai fastener fair and Germany fastener fair before. We hope to know more friends and believe that we are a very reliable and stable supplier for you.