Shenghao locks factory(subsidiary company of changhao) is a manufactory,mainly produce combination lock,TSA locks,luggage straps,name tag and travel sets since 1999,owns 200 workers and 4000 square meters factory"CJSJ" and " changhao"brand,our products sold well to worldwide.We 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.