Bontecn Group China, formerly known as Longyang chemical, was established in 2003. It is a manufacturer specializing in the production of plastic and rubber additives. It is a professional enterprise integrating scientific research, development, sales, service and investment.

In recent years, the company's investment in R & D and science and technology of rubber and plastic additives has increased year by year, and the structure of R & D investment has been optimized while the total amount and intensity of R & D investment have maintained double growth. In terms of hardware, the company has successively purchased international advanced automatic production lines and testing equipment, and is committed to developing products with international advanced level. The raw materials required for production are also purchased from the world's top technology manufacturers, with stable and reliable quality. At present, the company has 5 senior R & D personnel, more than 20 intermediate R & D personnel and more than 20 cooperation teams. At present, the company has developed a new product jointly with foreign well-known enterprises, which can solve the problems of troublesome ingredients and high cost of traditional plastic formula, and has made great achievements. With advanced process technology and perfect detection means, we constantly explore, devote ourselves to research and development, and cooperate with scientific research institutes all the year round to continuously develop new products and processes. At the same time, we will establish a strict production control system and quality management system, adhere to the market-oriented and user centered business policy, and strive to provide customers with satisfactory products and thoughtful services. The products have been exported to North America, Latin America, EU, Asia Pacific, Africa and other countries and regions. Since its establishment, the company has been deeply praised and recognized by domestic and foreign customers with the business philosophy of "promoting development with quality and promoting cooperation with integrity", and has won a good reputation in the industry.