We, ADVANTEK Corporation, are a professional manufacturer of Digital Door LOck, Test & Measuring instruments and Accessories. We are fully committed to improving Security Products and T&M ones.For this, we are exerting our best efforts to provide the best quality products and service, and to satisfy the needs of our customers through a ceaseless development for new products. Our Digital Door Locks can surely give you better confidence on your security.Furthermore, our Test probes, DMM and DC Power Supply has been guaranteed the excellence of the quality by acquiring CE and UL certification. We believe that our products will lead your business to have a great success thanks to the best quality and competitive prices.