door lock is a very important product for its requirements are very high, when we buy from many aspects to analyze choose to buy a good lock, based on our years of experience we share with you some of the issues when buying locks of attention.

Locks in the purchase of products, you should note the following
One should choose high-profile, quality and good after-sales service the company's products.
2, first check the identity of the purchased product packaging, signs are complete (including the implementation of standard products, grade, manufacturer name, address, date of production) are secure packaging, brochures and product content are consistent with the exaggerated beware facts phenomenon. US filing cabinet
3, observe the appearance of quality door locks, including locks, lock, latch, handle and cover plate assembly and related accessories are complete, plating, painting, surface color is bright, uniform, with or without rust, oxidation signs and breakage.
4. Check whether the use of the product feature reliable, flexible, should select two or more of the products were compared to check, especially when buying a two-way lock products must separately with all key internal and external lock switch trial. Insurance agencies situation should check the product, it is recommended to lock each test at least three times or more.
5, and then check the key Tooth circumstances, such as five key teeth, each key should be not less than three different spoons teeth, while the first and fifth gear tooth should try not to choose the deepest spoon teeth, which will help key plug and easily broken.