Jiezhen hardware, With more than 80 kinds of machineries for cylinders, keys and locksets and QC equipment, dedicates itself in mechanical lockset research, manufacturing and export, invests heavily in lock manufacturing technology to meet requirement of our customers for perfect lock products. We have quite a few patents of our own invention and product improvement. We produce mortise lockbody and cylinder,handle,padlock. As an OEM manufacturer, JZ provides our customers with superior quality products and competitive pricing, which in return enables a win-win environment for all of us, our customers and end users of our products. JZ believes that great after-sales service completes the pursue of perfectness of our products. Character building is not only for our company and our employees, but also reflects in products we make. In virtue of credit, quality and service, JZ satisfies the diverse needs of security and decor from Europe, Middle East, Africa, Latin America and inside Asia, and it produces value and success for its dealers, partners and consumers. Known for diligence, discipline and preciseness, the team wins increasing recognition in this industry.Quality ControlJZ insist on strict quality standards of ISO9001 for our manufacturing, starting from raw material purchasing and manufacturing processing to finished product inspection. Well-conceived mechanism, equipment & moulds, fixtures & gauges, rigid control of tolerances, specialized team, continuous improvements, all these firm our guarantee of quality.JZ insists on controlling and assuring up-to-standard quality of each component, and regularly sampling batches for testing. Once any defect is found, the cause is immediately to be traced and measures are to be taken to eliminate the defect. JZ makes all-round pre-shipment inspection according to SGS sampling plan, to make sure full aspects including dimension, finishing, function, accessories and package conform to requirements and friendly to users.Any complaint or suggestion about improvement is greatly appreciated. Such concern is the most important drive that motivates us to improve.