We take "customer-friendly, quality-oriented, integrative, innovative" as objectives. "Truth and honesty" is our management ideal for Douwin Hotel Lock and Digital Hotel Lock, , , ,. To acquire a consistent, profitable, and constant growth by getting a competitive advantage, and by continuously increasing the value added to our shareholders and our employee. The product will supply to all over the world, such as Europe, America, Australia,Austria, Salt Lake City,Kuala Lumpur, Chile.With strong technical strength and advanced production equipment, and SMS people purposefully , qualified, dedicated spirit of enterprise. Enterprises took the lead through the ISO 9001:2008 international quality management system certification, CE certification EU ; CCC.SGS.CQC other related product certification. We look forward to reactivating our company connection.