Zhejiang Konpo Door-control Technology Co.;ltd is a professional manufacturer specialize in door closer, floor spring(offset floor closer) and others high-end building hardware product producing, R&D and sales, located in Cangnan Industrial Park of Wenzhou City. Konpo total project investing over 193 Million RMB(31.4Million USD) with 25,000m2 of floor area and 40,000m2 of construction area. Konpo has a professional technology team of over 20 years experience in door closer and floor spring R&D, and we are one of the Door Closer Industrial QB Standard constitutor of China. Within years of super development, company introduced customized auto-digital control equipment which is worldwide advanced standard. Konpo door closer, floor spring(offset floor closer)quality meets international door-controlling quality standard, comply with UL,ANSI 156.4 Grade 1,EN1154/1634 etc. The company personnel take “Advocate Quality, Enjoy Business” as their core value, offering high quality production and high efficiency after sales for customer based on top rank technical and management. To pursue sustainable development, cultivate core competitiveness as a starting point for the cause of growth. To be powerful, advanced management, world first class and a brand-name power is our destination. Plant in China, overview the world, focus on door-controlling, to enhance dominant industry to built competitive advantage is our strategy.