Tai an Yongtai Machinery Equipment Co., Ltd. is located in the High tech Development Zone of Tai an City, Shandong Province. The "Yongtai" brand variable frequency fuel injection pump test bench produced by the company is divided into three series: 12PSB-A, 12PSB-C, and 12PSB-D, with more than 20 varieties and complete model specifications, which can meet the testing needs of users for mechanical fuel injection pumps, VE pumps, and mechanical unit pumps. The fuel injection pump test bench has the characteristics of stability, reliability, low noise, direct output, small deceleration value, high testing accuracy, and complete automatic protection function.