Shanghai Zhenjing Machinery Co., Ltd. was established in 2011 and is a comprehensive laboratory solution service provider that integrates trade and technical services. We are rooted in the origin of technical services and focus on providing precision testing equipment, measuring instruments, and customized solutions for high-end manufacturing industries. After more than ten years of deep cultivation and meticulous work, the company has become an important participant in the field of industrial precision testing, especially in the field of automotive parts inner hole testing. With professional technology and stable quality, it has accumulated a good market reputation and customer trust.