December 27, 2023，China Construction Machinery Industry Association organized Lingong Heavy Machinery Co., Ltd. in Jinan City, Shandong Province（Hereinafter referred to as：Lingong Heavy Machinery）Research and development of pure electric off-highway dump truck and other three projects of scientific and technological achievements appraisal meeting，By the Association、China Machinery Science Research Institute Group Co., Ltd.、National Construction Machinery Quality Inspection and Testing Center、Tongji University、Guangxi University、Chang'an University、The appraisal committee composed of authoritative experts from Yanshan University and other institutions carried out on-site appraisal of scientific and technological achievements.。The experts visited Lingong Heavy Machinery.，The product and production site were inspected.，Having listened to the report on the scientific and technological achievements made by the enterprise，The relevant information was reviewed，After questioning and discussion，One appraisal result has reached the international leading level.，Two appraisal results have reached the international advanced level.。

The project of this appraisal is the long-term persistence of Lingong Heavy Machinery.“Efficiency is paramount，Leading in technology”，Achievements in continuously improving technological innovation and product R & D capabilities。Among them, the pure electric off-highway dump truck has invented technologies such as dual-motor braking energy recovery control and intelligent high redundancy steering system.，The safety of the product is improved.、Reliability、Comfort and economy，The results have been successfully applied to large mines.；The boom type lifting work platform invents technologies such as the control logic of the outrigger movement of the aerial work platform.，An electric arm type lif operation platform is realized“Steady、Quasi、Province、Strong、Hurry up”，Significant improvement in work efficiency，Realized engineering application；Main valve assembly technology for super large excavator invented by hydraulic excavator，The serialization of full electric control technology for mining excavators has been realized.，Increased cylinder side energy recovery，Improved fuel economy，The bearing capacity and reliability of the whole machine are guaranteed.，The results have been successfully applied to large-scale mining.。

General Secretary Xi Jinping pointed out，“The high-quality development of manufacturing industry is the top priority of China's high-quality economic development.”、“The core of manufacturing industry is innovation.，It is to master the key core technology.”。In recent years，Lingong Heavy Machinery Closely Around the Important Instructions and Requirements of the General Secretary，Focus on scientific and technological innovation，Achieve high-quality development of enterprises。

Lingong Heavy Machinery Focuses on Mining Equipment、Aerial work machinery、Special Machinery、Key components and other business sectors，It is strengthening scientific and technological innovation with a new attitude.，Future，Eight major initiatives will continue to be implemented，Electrification、Digitize、Intelligent、Breakthrough in internationalization，Strengthen enterprise innovation，Strengthen enterprises with talents、Strengthening enterprises by science and technology as the starting point，To make positive contributions to the high-quality development of the industry。