Deyang Hexin Machinery Co., Ltd.

Innovation, Excellence, Win-win

Chengdu Tianhui Valve Guide Manufacturing Co., Ltd. (formerly Chengdu Tianhui Accessories Co., Ltd.) was founded in 1992. Since its establishment, it has been focusing on the research, development, manufacturing and sales of automobile engine valve guides, valve seats and other automobile engine parts. Now it has become a professional manufacturer of valve guide parts with the most complete variety of valve train parts in the world. In addition, the company introduced advanced technology and equipment in 2014, and equipped with professionals to establish a powder metallurgy project department, specializing in the production of various copper-based, iron-based, and stainless steel powder metallurgy parts.

At present, the company has a stable and professional workforce of more than 150 people. Among them, there are 6 senior engineers and 18 engineering technicians. The company has complete quality inspection methods, with an annual production capacity of thousands of varieties and more than 7 million valve guides.

The company attaches great importance to the research and development and investment of new products, and has the technical ability to cooperate with the research and development teams of domestic and foreign host manufacturers. In recent years, we have developed valve rocker arms and rocker shafts for European customers. At the same time, the company has developed pre-combustion chambers and rocker shaft assemblies for domestic export cylinder head plants and OEMs such as Yunnei and Yuchai.

The company's existing products include five series of valve guides, rocker arms, pre-combustion chambers, valve seats, and chassis parts, of which valve guides cover thousands of different models. As the world's largest valve guide manufacturer, the company can develop and mass produce Cummins, GM, Ford, Chrysler, Toyota, Mazda, Honda, Isuzu, Nissan, Volkswagen, Mitsubishi, Hyundai, Komatsu, Volvo, Detroit, Caterpillar And Harry Motors and other series of valve guides. More than 90% of the products are sold to European and American countries. In the past five years, we have supplied 25 million products to the European and American markets; we have provided more than 200 types of pre-combustion chamber products for domestic export cylinder head plants.

As the world's most comprehensive manufacturer of valve guides, it can provide Cummins, GM, Ford, Chrysler, Toyota, Mazda, Honda, Isuzu, Nissan, Volkswagen, Mitsubishi, Hyundai, Komatsu, Volvo, Detroit, Caterpillar and Harry Motors And other series of valve guides. At the same time, the company provides high-quality products for domestic engine manufacturers Xinchen Power, Yunnei Power, Yuchai Power, Shengdong Group and domestic cylinder head manufacturers Hongqi cylinder heads, Tianchang cylinder heads, and Ruiming cylinder heads.

Our company's valve guide covers three major materials, namely alloy cast iron series, silicomanganese copper series and powder metallurgy series. It can meet the different needs of fuel vehicles, gas vehicles and from passenger vehicles to commercial vehicles, from engineering machinery to marine machinery.

In addition to manufacturing products according to customer drawings, the company can also independently research and develop products based on samples, and provide new products that satisfy customers in a relatively short period of time. The company's technical department can not only provide technical support services during the product development process of OEM host manufacturers, coordinate and communicate with customer design developers, but also propose necessary design improvements or alternative solutions.

The company 100% wholly-owned acquisition of Deyang Hexin Machinery Co., Ltd. in September 2019; moved its production base to Deyang Hexin Machinery Co., Ltd. in June 2020 and will complete the commissioning of the casting automatic production line in December 2020.

The company's aim is to provide users with better cost-effective products with quality and service.

The company and related factories have established a Sichuan gas distribution unit consortium to provide users with high-quality stamped rocker arms, hydraulic support, camshafts and other products.

Since its establishment, the company has always attached importance to product quality and regards quality as the key to the survival and development of the company and ensuring customer satisfaction. Has established a complete production process control, product testing procedures and quality assurance system. The company passed the ISO9001 international quality system certification in 2003, and passed the TS 16949 automotive industry quality system certification in 2008.