Zhejiang Dorrenhaus Hardware Industrial

Founded on Oct. 10th, 2011, all members of management have more than 15 years experience in door closer industry.Registered Capital: RMB 20mils. (equal to USD 3mils. )Main Products:Hydraulic door closerNumber of Employee:205, in which 7 for R&D, 13 for quality controlFloor Space: 12500 M2 Now have 6 complete production lines with annual output of 1.2 mils sets.Exported to more than 20 countries in North America, EU and South-east Asia. Pass certification for EN ISO9001:2008 quality management system in 2012Main international standard or certification which our products passed:1)American National Standard: ANSI 156.4 Grade 1, life cycle test of 2 mil. cycles 2)American UL 10C for 3 hours fire testing 3)European Standard CE: EN1154, life cycle test of 500,000 cycles 4)CE: EN1634 fire testing 5)China compulsory product certification.