Hubei Tri-Ring Special Vehicle Co., Ltd (hereinafter referred to as Tri-Ring) is a state-owned enterprise engaging in production and distribution of special vehicles and automotive chassis. It is subordinated to Tri-Ring Group Corporation, one of the 500 key enterprises in China. Also is the first asset listed company in Shiyan City and the biggest commercial motor production enterprise in Hubei Province.

Now the company has over 2300 staff members on its regular payroll, in which over 800 have academic degrees of technical school, college or university, and 25% have junior or senior technical titles. Tri-Ring has a total asset of 1.5 billion RMB, 1200 sets of main production devices, and coverage of 480,000 square meters. It has five plants (heavy truck plant, light truck plant, medium-sized truck plant, cargo box plant and special truck plant), three branches (marketing and sales branch, industry branch and transportation branch), and two holding subsidiary companies (Huanmin company and Tongqiao company), which possessing enterprises engaging in assembly of automotive cabins, frames, axles and production of spare parts. With an annual production of 20,000 units of various types of special vehicles. Tri-Ring was appraised as one of the "Top Ten Influential Brand Names in China Commercial Motor Industry", awarded "Civilized Unit" in mechanical industry throughout the country or province and city level, "Golden Crane Award" as excellent enterprise in Hubei province and "Hubei Renowned Enterprise", it is also the key protective enterprise for cracking down on sham and shoddy commodities and supporting high-qualified products.

To catch up with the change of market, Tri-Ring has more than 800 vehicle models registered in the Bulletin of Ministry of Industry and Information Technology of China, which cover light-duty truck, medium-sized truck, heavy-duty truck and special truck. All of the truck models have been awarded "3C Certification". The dominant product "SITOM" truck has been appraised as the "National Qualified Product with Stable Quality", "Hubei Famous Trademarks Product" and "Hubei Famous-Brand Product". Accredited by five national ministries including the ministry of commerce, Tri-Ring was the first bitch of companies which have the right to export automobiles. Tri-Ring's products have been exported to Southeast Asia, South Asia, Middle Asia, Africa, Middle East, Northeast Asia and other areas. The company has passed ISO9001:2000 international quality system authorization, GB/T28001 occupational health and safety management system authorization and ISO14001 environment management system authorization successively. Ti-Ring was appraised as the "State Double Guarantee Enterprise in Product Quality and After-sales Service" by China Association for Quality Inspection. All the products listed in the Bulletin not only accord with national laws and regulations but also strive to meet the requirements of customers. The over 800 sales agencies and after-sales service stations throughout the country are providing customers with satisfactory services.

Under the keen attention and great support of Shiyan Government and Tri-Ring Group, the company is implementing "12th Five-Year" development plan. By 2015, Tri-Ring will not only have the production capacity of 100,000 units of special vehicles with high added value and technology content, but also achieve sales revenue of over 10 billion. The company will make greater contributions to the development of Tri-Ring Group's major industry and construction of Shiyan City's "Million Motor City Plan".