Knob locks are the most common type of door lock available and the chief security method for most doors. The lock cylinder is located in the knob itself instead of the door. Thus, knob locks should not be used on external doors, as they can be easily broken into with basic tools like a hammer or wre......
Read MoreNingbo Youlin is a company offering All-In-One Solutions for Precision CNC Machining, CNC turning, CNC Milling, Metal Stamping, Deep Drawing, Forging, Casting, Investment Casting, Die Casting, Aluminum Extrusion, Plastic Injection, Tube Laser Cutting and Sheet Metal fabrication in a variety of indus......
Read MoreOver the years we has always adhered to "quality of products in order to survive, credibility and development services" business purposes. Committed to providing you with high-quality products and quality services. Have a professional, dedicated design management team, from product design, mold maki......
Read MoreOver the past few years of production and management and exploration, we set up our own quality management system. Passed the ISO9001: 2000 quality system certification. YuHe always implement the concept of customer value creation for customers tailored products to meet the needs of different custom......
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