How to select central lock system

Car lock is the very common parts in the vehicle auto parts, which is very well known by millions of drivers. Everyday, many times of closing & openning car door happens and it is actuated by the car lock. In the case that the carlock is broken, it will be a big trouble for the car users because the potential inconvenience & damage may occure. In the extrame dangerous conditions, the broken car lock will increase the danger & damage caused by the accident because the passengers & driver can not open the door for security. You can image how is the situation? So, in the writer’s opinion, the car lock is not only auto parts, but also security parts. how to select the fitting car locks?
First, the lock with the right installation specification.
It is comparably easier to comment and do not worry about it much, because the technician has the experience to select. After installation, the car lock should be mounted well & operated normally.
Secondly:Quality.
It’s the most important & difficult issue for driver’s to recognize & control. Hereof,
the writer’s suggest following:

In the market we can easily find different car lock manufacturers (OEM manufacturers & aftermarket ) produce the same car locks, but with different quality naturally. We suggest you pay more attention to the pruducts from the OEM(original) manufacturers. Easily understanding, the OEM manufacturers have the very strict contracts or agreements with the automakers on quality, after sales service, claim & technology ets, which decides that every OEM manufacturers should keep better internal & outernal control on the product. In result, the OEM(original manufacturers) often provide higher quality. On the contrary, some lock manufactures who are mainly provide aftermarket lock often provide poor quality locks, they are only chases the highest profit rate, with the shabby production control method, lack of R/D Research etc, you can image why their can not prodece capable products.
Since how important to use the high quality lock! How can we evaluate the locks before buying it, suggestions as:
Review carefully. Review carefully about the surface treatment of the car lock, including housing surface treatment, the shinning on the metal parts, the wire thickness of the wire hardness, the connector quality.
Asking: should ask as much as possible about car lock feature. Such as : cold & hot temperature test(what’s the testing temperature? ); Durability operation test(normally require: ≥30,000 cycles); what’s the outputting force(normally the direct transmittion of the rod ≥3kgs)
Listening: listening the noise of the car lock when it operates. If possible, request provide testing reports.
Above, they are the basis knowledge to help you select the good quality car lock. Hope your car lock will be more safter & better.