• How to use the combination lock of the trolley box

    How to use the combination lock of the trolley box

    Password locks are roughly divided into 3 types Common password du lock, TSA key lock, TSA password lock Ordinary password lock: zhi1. The initial password is 000. Press and hold the unlock switch in the 000 state dao to change the password. When changing the password, you will hear a "da" sound. Af... read more

    Oct 24,2020 News
  • What are the welding methods of thin brass?

    What are the welding methods of thin brass?

    There are several methods for thin yellow dao copper. There is definitely one du for you 1. For medium thin and thick ones, such as dao2-3 mm thick, you can use silver-based VOD203 solder for flame soldering and VOD201-F solder paste.Medium and thin models Brass padlock     2. For medium-t... read more

    Oct 15,2020 News
  • Which is the better hardness of brass or cupronickel?

    Which is the better hardness of brass or cupronickel?

    Brass is an alloy composed of copper and zinc. If it is made of copper and zinc group du, it is called ordinary brass. If zhi is composed of two kinds of elements on dao, it is called special brass. Such as copper alloys composed of lead, tin, manganese, nickel, lead, iron, and silicon. Brass has st... read more

    Sep 29,2020 News
  • What is the difference between Golden Dot Atomic Padlock 33 series and 32 series?

    What is the difference between Golden Dot Atomic Padlock 33 series and 32 series?

    Of course it is the yuma bai lock. It is the top du brand of Chinese locks. There are also advertisements on TV %D%A yuma lock zhi lock cylinder, which intersects and locks the upper and lower bullet holes of traditional marble dao locks. The principle is changed to the method that the shrapnel is c... read more

    Sep 26,2020 News
  • Securing UPVC Door locks with Multipoint Door Lock Cylinders

    Securing UPVC Door locks with Multipoint Door Lock Cylinders

    The sight of a uPVC door on your home immediately acts as a potent visual deterrent. Burglars know that not only are these doors more secure than their wooden counterparts, they are also fitted with multipoint locks: a locking mechanism that secures from several points (from a basic 3 point, to the ... read more

    Sep 18,2020 News
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