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lock apply to anti-theft door The Yongkang Saierduo Industry Co.Ltd.was founded in 2007,based on a production enterprise for over ten years.The company has its own R&D department,products patent. Our relative products all have testing reports and certificates.We can produce hardware and plastic products according to customer requirments or samples.The main aim of the company is to integrate and optimize our products,then promote products to domestic and foreign markets.We deeply understand that,the customers satisfaction and products quality are the fundamental for the enterprise survival,so we’ll follow up our business philosophy forever. Handel lock Model NO --HY-A20 Lock body material --steel The keyhole cover material--copper Handel material--copper company website --www.saierduo.com/www.ykhd.com