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  • Locks Have a Long Developing History
    Posted: 04/15/2016 05:14:43  Hits: 224
    Locks have a long history. Locks almost came out with private ownership at the same time. According to verification of unearthed cultural relics and record on historical documents, locks have already been developed for 5 thousand years.  Knot In the early, people just simply used rope to tie u...
  • Materials Used for Locks and Surface Treatment
    Posted: 03/11/2016 04:06:16  Hits: 616
    When people choose locks, they are worried about that locks have poor durability or the surface of locks is rust or corroded even if the locks are used for a short time. That refers to the materials used for locks and the surface treatment.  Materials  In terms of durability, the best mat...
  • Required Things in Lock Polishing
    Posted: 01/16/2016 03:26:11  Hits: 639
    Here are some the required things in the process of lock polishing: (1) Nitrate: serves for passivating and polishing. It directly affects the polishing speed and quality. When the concentration and reaction speed is low, the surface gloss will be poor and deposit thick stuffs on the pan after polis...
  • Dead Lock Phenomenon of Stainless Steel
    Posted: 01/02/2016 03:59:34  Hits: 571
    The lock users may find that the dead lock phenomenon sometimes occurs, but it doesn't happen in the use of carbon steel set. Is it because stainless steel is relatively soft, while the carbon set is relatively hard? That's right! That is the real difference between stainless steel and carbo...
  • Proper Maintenance Can Prolong the Service Life of Locks
    Posted: 12/24/2015 11:45:13  Hits: 512
    Most people have no idea that lock needs to be maintained. Generally, when the lock doesn't work out, they choose to change a new one. In fact, the service life of locks can be greatly extended under proper maintenance. Then you will learn some lock maintenance knowledge.   Firstly, people ...
  • The Classification of Lock
    Posted: 12/18/2015 02:15:36  Hits: 447
    According to different standards, locks can be divided into different types.  First, according to the types of lock:  1. Padlock: divided into copper padlock, iron padlock and password padlock. Its main specifications are 15, 20, 25, 30, 40, 50, 60 and 75 mm. 2. Drawer lock: divided into all-co...
  • The Introduction of Lock Material
    Posted: 12/09/2015 04:51:19  Hits: 364
    When choosing lockset, people are often worried about that locks are not durable or soon rust and oxidize on the surface. This problem can directly influence the materials and surface treatment. Now let's introduce different lock materials from different perspectives.   From the perspe...
  • General Knowledge of Door Locks
    Posted: 11/06/2015 03:10:23  Hits: 510
    This technical article introduces some general knowledge of door locks, including its category, selection matters and install methods. Categories 1. Anti-theft lock. Exterior entry door is the divide of home and outdoor. It must have the function of insurance and security. The door is usually consi...
  • Measures to Protect Door and Window Hardware from Damage
    Posted: 10/08/2015 04:02:24  Hits: 448
    Reasons for hardware breakdown: Incorrect hardware accessories, which brings to poor quality; there is no metal plate at the fastening, which results in poor installation strength. General hardware damages are: insecure hardware fittings fixation, mobility, the damage of pulley and friction hinge, ...