Henan Sumdor International Trading Co.,Ltd.is a professional company engaged in research,development,production,sales and service of metal security products field for many years, Our product range covers: smart lock series, key box series, safe box series,Cash box series etc.Company always adhere to "strives for survival by credibity ,to the quality strives for the development "business philosophy,our products are exported to southest Asia,Middle East ,Europe,Amerial ,Africa etc .We insist on provide high-end,smart modern,high quality product to meet the needs of customers ,achieve win-win situation.