Meishan CRRC Fastener Technology Co., Ltd. (hereinafter referred to as Fastener Company) is a leading domestic large-scale and powerful railway special fastener product production enterprise integrating scientific research, development, manufacturing and sales. It is affiliated to CRRC Meishan Vehicle Co., Ltd. The company conducted research on special rivet and fastening connection technology in the 1990s, and in 2005, Tongsheng Fastener Company (the predecessor of the company) was established. In August 2013, Meishan CR Fastener Technology Co., Ltd. was established, which is a wholly-owned subsidiary of CRRC Meishan Vehicle Co., Ltd. In February 2016, it was renamed Meishan CRRC. Fastener Company is a national high-tech enterprise, and is a Sichuan Province Riveting Engineering Technology Research Center, a Sichuan Provincial Enterprise Technology Center and a CRRC Fastening Connection Technology Research Center.

The fastener company has a registered capital of 150 million yuan, an employee of 125 people, a factory area of ​​18,800 square meters, and has bolt forming machines, nut forming machines, wire rubbing machines, wire rolling machines, and atmosphere protection mesh belt heat treatment furnace imported from Italy, Germany, etc. More than 20 advanced fastener production equipment. The company aims at the world's cutting-edge fastener technology, adopts advanced materials, technologies and processes, and continuously innovates product design, ensuring the company's continuous product updates and technological progress. A number of new products have filled the domestic gaps and formed railway freight vehicles. Special rivets, single-sided rivets, repeatable rivets, short-tail rivets, rivet pins, rivet nuts, wide-range rivets, thread extrusion anti-loosening bolts, new anti-loosening washers, etc. More than 40 series, thousands of types, etc. Specifications of products.

After more than ten years of development, the company has become a research and development base for railway dedicated riveting connection systems, and is a large domestic research, manufacturing and testing unit for mechanical deformation connection technology. At present, products and technologies have been applied to rail vehicles, ships, special-purpose vehicles, military industry, construction, electricity and other markets, and are exported in batches to Australia, Japan, the United States, India and other countries.