What is the secret to keep the screws working well?

A very good use of things, can bring us a lot of benefits as well as convenience, but over time, its effect or its quality, are greatly inferior to the previous, so what is a good way to keep it good, Xiamen Xin Hengjie is one of the things, then keep the screw good die secret is what?

     Screws can be widely used in electricians, electrical appliances, lighting, engineering, construction, bridges, transportation apparatus, aircraft, trams, automobiles and hardware and building materials manufacturing industry affiliated with the installation of automatic count packaging of screws.

    1, it is best to understand the integrity of screw manufacturers from the side of peers or customers, such as quality issues, to ensure the normal use of the product, long service life.

    2, the need to check the appearance of the product shape, if the appearance of no defects and solid, so that its products can extend the life.

    3, no matter what the screw classification is, you need to check whether the product is flexible, if used than Lo lag, then it will have an impact on daily life, so you need to check its quality.