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Changhao First Factory Set Up For 16 Years

Aug 16, 2017

Changhao keeps strengthening the awareness of quality control. We select premium materials and accessories, introduce high-precision production equipment and assembly lines, and uphold the idea that says Quality is the life and driving force of a company as our production and operational philosophy. Changhao seeks increasing perfection, improving the safety performance of our combination lock while guaranteeing their aesthetic features and convenient user experience.