Shandong Liangshan Tongya Automobile Co., Ltd. is listed among appointed enterprises to produce and refit automobile approved by former Economy and Trade Commission of China (now Development and Reform Commission of China), the first private enterprise with its products listed in Public Notice on automobile refitting for management. The company integrates product design, scientific research and development, production and sale together. Its leading products are various kinds of custom built car and special automobile including "Tongyada" brand semitrailer, tipper, oil tank truck, particle material transportation automobile, bulk-cement delivery tanker, concrete mixer truck and road wrecker in series, etc.

The company now covers an area of 460 mu, building area 160,000 square meters, total assets 360 million yuan. In the company there are now over 800 employees, including 8 persons with senior technical title, 26 persons with middle technical title, 167 graduates from college or polytechnic school and persons with professional diploma. It possesses top-ranking numeral control cutting machine, automatic welding machine, large-sized binding machine in China, the greatest entire car passing type shot blasting machine in the province, 21m super great paint spraying and paint baking room, over 400 sets of various kinds of production checkout equipment including Switzerland four wheel alignment gauge, etc., advanced production line in China and modern assembling equipment. Over 100 kinds of products in eight large series produced have all passed technical appraisal at State level, reaching leading level in China.

Yearly capacity of various kinds of custom built car in the company is over 5,000 cars. In 2006, it has produced over 4,760 cars with sales income 210 million yuan. The products are sold in 500 cities and counties and districts in over twenty provinces in China. Part of products is exported to 5 countries and regions, ranking leading level in the same kind of products in China. It is a manufacturing enterprise with the highest output and broadest sale region in trailer industry in Shandong Province, leading enterprise in Chinese trailer (custom built car) production base. The company has passed CCC authentication of China Quality Authentication Center and ISO9001:2000 Quality Control System Authentication. "Tongyada" brand has won title of famous trademark in Shandong Province. Tongyada products have won title of famous brand products in Shandong Province, and title of "Symbol Product in Shandong Province" by Shandong Provincial Quality Association, honorable titles of "Top 100 Powerful Enterprise" in Sales Income and Profits and Taxes Paid by Shandong Provincial Machinery Industry Office and "Demonstration Enterprises in Technical Innovation" in Middle and Small (towns) Enterprise Office of Shandong Province. The brand has been applied renowned trademark in China.

The company bases itself upon the road of development of pioneering, innovation, brand and winning together. On the basis of guaranteeing annual output 10,000 trailers and custom built cars, in 2006, the company has made a new takeover of 260 mu land by investing 120 million yuan to build up the first-stage construction of Shandong Liangshan Tongya Automobile Co., Ltd. with advanced level in China taking producing various kinds of tank car, road wrecker, cement mixer lorry and garbage transportation automobile as the leading products, striving to build up and put into production in Aug. 2007. This factory building area of the company is 60,000 square meters, annual output 6,000 custom built cars of various kinds, production value 600 million yuan, profit payments and tax turnover 80 million yuan. The second-stage construction will complete in 2009 with production capacity of custom built cars reaching 10,000, realizing sales income 1 billion yuan, profit payments and tax turnover 180 million yuan.