​The pendulum impact testing machine is mainly used to measure the resistance of materials to impact under dynamic loads, in order to determine the quality condition of materials under dynamic loads. The Liangong pendulum impact testing machine is divided into: fully automatic impact testing machine and semi-automatic impact testing machine.

​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.

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.