June 13, 2023，China Construction Machinery Industry Association（Short name：Association）The video launch meeting of three group standards for product quality grading standards was organized.。The three group standards are issued by Tianjin Engineering Research Institute Co., Ltd.（Short name：Tiangong Institute）Take the lead in formulating，Respectively：《Earth-moving machinery  Hydraulic excavator  Quality grading specification》（Plan number：JH-2023-010）、《Earth-moving machinery  Tire loader  Quality grading specification》（Plan number：JH-2023-011）、《Earth-moving machinery  Track-type tractor  Quality grading specification》（Plan number：JH-2023-012）。The above three group standards are the Association and the China Machinery Industry Federation.（Short name：China Federation of Machinery）Jointly implemented standard projects，In the future, the two sides will jointly organize relevant activities and eventually jointly issue standards in the form of double numbers.。

Video conferencing

Present at this Group Standards Review Meeting were：Wang Jinxing, deputy secretary general of the Association、Song Jinyun, Director of Standards and Regulations Department、Wang Dayu, Deputy Director of Science and Technology Quality Department；Yan Kun, Secretary General of the Shovel Transport Machinery Branch of the Association、Li Hongbao, Secretary General of Excavation Machinery Branch、Deputy Secretary General Zhao Liyuan；Liu Yanfang, deputy general manager of Tiangong Institute, the leading standard unit，There are also domestic and foreign manufacturers from the industry.、Research Institute、Nearly 60 delegates from 34 units, such as testing and certification agencies, attended the meeting.。The meeting was chaired by Director Song Jinyun.。

First of all, Director Song Jinyun extended a warm welcome to the representatives of the participating units online.，Thank you for supporting the standardization work of construction machinery groups.，At the same time, the leaders and participants of the standard meeting were introduced.，He was also responsible for presiding over the discussion and exchange of standards.。

Wang Jinxing, Deputy Secretary-General of the Association, made a speech.

Deputy Secretary-General Wang Jinxing made a speech.，The background of setting up the three group standards is introduced.，The importance of quality assessment in the industry is emphasized.，And raised three expectations.，First, the three standards should reflect a wide range of industry representation.；Second, industry enterprises should actively participate in the formulation of standards.；Third, in the application and promotion of standards.，Industry enterprises voluntarily participate in the certification work.。It is hoped that the two branches of the Association, the Shovel Transport Machinery Branch and the Excavation Machinery Branch, will actively organize relevant work.，The three group standards play an active role in promoting the quality improvement of the construction machinery industry and the transformation and upgrading of enterprises.。

Secretary General Yan Kun of the Branch reported on the compilation of the three group standards on behalf of the standard compilation group.，Respectively, from the standard background meaning、Compilation principles、The general situation of the standard is introduced from the main technical contents and the problems expected to be solved.，The framework of the standard text is also explained.。

Industry enterprises actively participated in the conference.，Delegates actively participated in the exchange.，Respectively from different angles for product characteristics，Combining with the actual situation of the industry, the framework structure and technical content involved in the standard are exchanged and discussed.，And put forward some reasonable suggestions.。

The kick-off meeting actively promoted the compilation of three group standards.，For the excavator、Loader、It provides a standard basis for the quality evaluation of three kinds of bulldozer products.，Further guide the technological progress of the industry，Improve product quality level，Promote the healthy and sound development of the industry。Next step，The standard preparation group will further improve the standard document according to the opinions discussed at this meeting.，At the same time, the participating units of the three group standards will be collected.，Establishment of working groups for the development of different standards，And by the Excavation Machinery Branch of the Association respectively、Activities of the Working Group organized by the Scraper Transport Machinery Branch。The follow-up association will follow the relevant requirements of the standard management.，Joint China Machinery Federation to carry out standard consultation work in the whole industry。

Video conferencing

The industry units participating in this standard meeting also：Quality Supervision and Inspection Center for Engineering Machinery and Hydraulic Parts of Machinery Industry（Tianjin）、Xiamen Product Quality Supervision and Inspection Institute、China Machinery Branch（Beijing）Vehicle Inspection Engineering Research Institute Co., Ltd.、China Automobile Certification Center Co., Ltd.、Xuzhou Xugong Excavation Machinery Co., Ltd.、Technology Branch of XCMG Construction Machinery Co., Ltd.、Zoomlion Earthmoving Machinery Co., Ltd.、Sany Heavy Machinery Co., Ltd、Guangxi Liugong Machinery Co Ltd、Liugong Changzhou Machinery Co., Ltd.、Shandong Lingong Construction Machinery Co Ltd、Shantui Construction Machinery Co., Ltd.、Mountain Reconstruction Machine Co., Ltd、Sunward Intelligent Equipment Co., Ltd.、Lovol Heavy Industries Co., Ltd.、Engineer Long（Shanghai）Machinery Manufacturing Co., Ltd、SINOMACH Changlin Co., Ltd.、Hebei Xuangong Machinery Development Co., Ltd.、Yingxuan Heavy Industry Co., Ltd、Xiamen Xiagong Machinery Co Ltd、Inner Mongolia Yiji Xugong Special Equipment Co., Ltd.、Tianjin Yishan Construction Machinery Co Ltd、Caterpillar Technology R & D China Co., Ltd. Qingdao Branch、Komatsu（China）Investment Co., Ltd. Changzhou Branch、Hitachi Construction Machinery（China）Limited company、Kobelco Construction Machinery（China）Limited company、Volvo construction equipment（China）Limited company、Yanmar engine（Shanghai）Limited company、Kubota Kenki（Shanghai）Limited company、Liebherr Machinery（Dalian）Limited company。