• Does the key contain lead, what composition, and what proportion?

    Does the key contain lead, what composition, and what proportion?

    An American dao medical research institution published an article warning that common keys contain lead, which can cause lead poisoning in children during normal dao contact. Generally speaking, 98% of brass keys are copper or other metals. Adding 2% lead can easily be cast into various shapes. SoMo... read more

    Sep 12,2020 News
  • One of the suitcase customs lock TSA007 is locked, how to crack the password?

    One of the suitcase customs lock TSA007 is locked, how to crack the password?

    The easiest way: Find a good place to light the bai line (or use a flashlight for du), and look at the iron piece under the zhi wheel for the password. You will find a small dao gap, turn all three gaps to the left, and then subtract three (five) from each number to the left, which is the password. ... read more

    Sep 03,2020 News
  • "Gate Culture" of Ancient Chinese Architecture-A Symbol of Status

    The door is a sign of the status of master in the old society. Divided into the Palace Gate, Guangliang Gate, Jinzhu Gate, Ruyi Gate, Manzi Gate, etc. Gate of the Palace The palace gate is the highest grade among the house-style gates. There are usually five rooms with three doors and three rooms wi... read more

    Aug 21,2020 News
  • How to use the Kensington Lock jack?

    How to use the Kensington Lock jack?

    There is an anti-theft lock jack du (Kensington Lock) on the notebook. You need to buy an anti-theft lock chain, one end is inserted into the zhi, and the other end is fixed on a large, non-moving object. This is to prevent the notebook from being accidentally Mobile.Small Brass Key Locks Manufactur... read more

    Aug 14,2020 News
  • What is the difference between super b-class lock cylinder and c-class lock cylinder?

    What is the difference between super b-class lock cylinder and c-class lock cylinder?

    The editor understands that it is not so easy for Class B locks. In other words, the more complex the lock cylinder, the longer it takes to unlock. The security doors of most households on the market are Class B locks. Class B locks are currently a relatively high level of safety. From the key, they... read more

    Jul 31,2020 News
Contact us