Our company since its inception, always regards product quality as enterprise life, continuously improve production technology, improve product quality and continuously strengthen enterprise total quality management, in strict accordance with the national standard ISO 9001:2000 for Key Code Lock, Weatherproof Combination Lock, Smart Sliding Door Lock, Entrance Lock,Combination Deadbolt Door Lock. We have been also the appointed OEM manufacturing unit for several worlds' famous merchandise brands. Welcome to contact us for more negotiation and cooperation. The product will supply to all over the world, such as Europe, America, Australia,Estonia, Nepal,Armenia, Amman.Many years of work experience, we have now realized the importance of providing good quality products and solutions and the best before-sales and after-sales services. Most problems between suppliers and clients are due to poor communication. Culturally, suppliers can be reluctant to question things they do not understand. We break down those barriers to ensure you get what you want to the level you expect, when you want it. faster delivery time and the product you want is our Criterion .