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handle lockdetailed information 1.good quality raw metrial,strict casting ,polishing to ensure the quality stablity. 2.pencil hardness can reach 4H,and adhesion canreach 5B. 3.we can design and produce as per your samples and requirments. 4.96-hour(for chrome 200-hour)salt spray test to test its high-strength corrosion resistance,wear and wearfunctions 5.more than 20multi-channel strict quality managed examination,only the pefect product can pass. 6.only qualified products can be pass on to the assemble line to sell all over the world ,and won the good reputation. 7OEM welcome Function:standard Lockset/Passage Lockset/Decorative Lockset Finish:Chromesatin ChromeGreen Bronze Red BronzeLmitation GoldSatin Gold Bright nickelSatin NickelSatin Black Nickel Door Thickness:38-50MMLock Body:8550/7250