March 15, 2023，The Special Purpose Vehicle Sub-Technical Committee of the National Automobile Standardization Technical Committee was held in Loudi, Hunan Province.QC/T222《Dump truck》Standards Workshop。The meeting was held by China Automobile Research Automobile Inspection Center.（Wuhan）Sponsored by Limited Company，Hunan Valin Lianyuan Iron and Steel Co., Ltd.。Changlong Automobile Manufacturing Co., Ltd.（Short name：Changlong trailer）Sun Fusen, chairman of the board, was invited as an expert.，From the Secretariat of the Special Bidding Committee、Vehicle manufacturing enterprises、Special Purpose Vehicle Manufacturing Enterprise、Parts and components enterprises、More than 30 experts from material production enterprises and testing institutions participated in the meeting.。

Standardization Helps High Quality Development

QC/T222《Dump truck》It is an important industry standard in the field of engineering construction.。With the acceleration of national infrastructure construction and the advancement of new urbanization construction,，The production and sales of dump trucks in China are increasing、The technical level has been greatly improved.，There are more and more kinds of products derived from dump trucks.。In order to standardize the development of dump truck industry，Ensure that the technical indicators of the product have a basis.，It is urgent to revise the relevant technical requirements and indicators of the general technical industry standards for automobile dump trucks.，To meet the needs of product development.。

As a well-known expert in the field of special purpose vehicles in China、Member of Trailer Sub-Standard Committee of National Automobile Standardization Committee，Sun Fusen, chairman of Changlong Trailer, started his business at the age of 17.，It not only took the lead in developing and manufacturing the first lightweight semi-trailer product certified by the Ministry of Industry and Information Technology of China,，He also participated many times《General specification for semitrailer》Discussion and drafting of many national standards.，Continuously promote the technological progress of domestic semi-trailers。

Upholding integrity and innovation to contribute to the strength of Changlong

Changlong Trailer is a company focusing on the research and development of road transport vehicles.、Production、Sales and service，By“Leader in China's Special Purpose Vehicle Industry”Founded by Sun Fusen，The company's products cover low flat panel、Container、Barn、Self-unloading、Box type and other series semi-trailer，And take the lead in introducing trailers in the industry in 2022.“Customization Center”。Joint universities and scientific research institutes、Industry technology master、Senior maintenance technician、Senior card friend，Sun Fusen, chairman of Changlong Trailer, an industry expert, personally led the work.“Fusen customization”，Personalize according to card friends、Multi-level demand，Tailored based on regional characteristics and functional requirements，Really achieve one domain and one version，One vehicle, one map，One place, one generation。The company has obtained more than 30 patents.，It greatly promotes the development and progress of domestic semi-trailer technology.。

Focus on high-performance semi-trailer for 35 years，Changlong Trailer always insists on winning by quality.，Create a more economical semi-trailer for card friends，User-centric，Demand-oriented，Continuously promote the transformation and upgrading of China's semi-trailer industry。Chairman Sun Fusen has always been committed to promoting the technological progress of domestic semi-trailers.，It is committed to transforming the advanced technology and innovative achievements of enterprises into the content of national standards.，Actively participated in the drafting and formulation of a number of national standards，Next, Changlong trailer will take this seminar as an opportunity.，Focus on products、Focus on quality，Make persistent efforts，Under the leadership of Sun Fusen, Chairman of Changlong Trailer，Build a world-famous semi-trailer brand，Continuously promote the high-quality development of China's semi-trailer industry。