Shandong Liangong Testing Machine Co , Ltd has obtained a patent called "A Pendulum Impact Testing Machine ", with authorization announcement number CN 222299405 U and application date of December 2023

LianGong Testing Machine Factory was commissioned by a high-speed rail parts customer to develop and customize a testing device for measuring the impact characteristics of weak connection devices on the shoe wall plates of contact current collectors used in high-speed trains and EMUs—a dedicated impact testing machine for current collectors.

​LianGong Testing specializes in the R&D, production, sales, and service of testing equipment for metallic and non-metallic materials. A well-known enterprise in the testing machine industry and a national high-tech enterprise, LianGong Testing recently participated in the 21st China (Shandong) International Equipment Manufacturing Expo, which concluded successfully.

Manufacturing Industry Expo came to a successful conclusion

High and low temperature test chamber