Recently，Led by Sany Group，Sany heavy machinery、Sauter、It was undertaken by Lilong and ZTE“Research and Application of Key Technology of High-end Excavator”And other 12 scientific and technological achievements，Successfully passed the appraisal organized by China Construction Machinery Industry Association，Three of them reached“International leading”Level，Nine items have been achieved“International advanced”Level。

The appraisal committee is organized by China Construction Machinery Industry Association、Zhejiang University、Tongji University、Chang'an University、Yanshan University、Nanjing University of Technology、Taiyuan University of Science and Technology、China Machinery Science Research Institute Group Co., Ltd.、Experts from the National Construction Machinery Quality Inspection and Testing Center and other units。

Experts inspected the production site of the product.，Having listened to the report on the scientific and technological achievements made by the project team，The relevant information was reviewed，After rigorous questioning and discussion，Agree thatAll 12 scientific and technological achievements of Sany have passed the appraisal.，The overall technical performance indicators are achieved respectively.“International leading”、“International advanced”Level。

Among，High-end excavator、SY2600EFully electrically controlled excavator、Adaptive multi-way valve, etc.Three achievements have been achievedInternational leading level，Long service life and high reliability speed reduce、High-load-bearing anti-fatigue slewing bearings、Intelligent power shift gearbox、Safety lightweight wet brake axle、High-pressure high-speed electric control plunger pump、High pressure automatic variable speed motor、Quantitative circulation temperature control rotary motor、High-pressure high-speed impact-resistant hydraulic cylinder、Domestic independent high-precision controller, etc.Nine achievements have reached the international advanced level.。

In the process of identification，Experts at the meeting highly recognized Sany's independent innovation capability.，Give a high appraisal to the innovative achievements，The appraisal project has broken through the relevant key technologies.，The autonomous control of product technology has been realized.，It ensures the safety of the industrial chain and supply chain.。

All the 12 scientific and technological achievements have passed the appraisal.，It once again demonstrates Sany's R & D innovation capability and leading position in the industry.，At the same time, it also provides strong technical and industrial support for the excavator industry.。Future，Sany will insist on R & D and innovation，Promoting high-quality development of enterprises and industries。