Zhengchen has been an industry leader for more than 10 years manufacturing spring-loaded devices, quick-release plungers, leveling devices and mechanical components on zhengchen for their vast product selection, versatile applications, superior value and performance.All products in the extensive li

Dongguan Zhengchen Hardware Co., Ltd. For over 10 years, Our Products has leveraged advanced technologies and uncompromised quality control to deliver precisely engineered parts across the globe, impacting virtually every aspect of modern life.