In the home decoration, the door is the most inconspicuous, but the most important pieces of hardware, but few people know, seemingly inseparable destroy the locks that they also have shelf life. Recently, reporters in Zhengzhou City, visit the hardware lock market, many businesses told reporters that the purchase of locks to choose a certain brand, quality, excellent products and used in 2056 should be replaced after time.

China is the world's largest producing and consuming countries lock, lock industry, with annual sales of more than 40 billion yuan, production capacity more than 2 billion units.Phoenix entered the new store's hardware lock area, see the appearance of the same lock, due to material and workmanship are different prices from a dozen to several hundred million yuan has.

This reporter saw the market in the lock cylinder is divided into A , B class, super B and so are several. "Consumers can count the number of marbles row to identify the cylinder of the good or bad. Generally speaking, multi row Pin tumbler lock Pin tumbler lock is better than single row, multi row is better than another stealth Pin tumbler lock Pin tumbler lock normal multi row." Solid top Hardware, General Manager of Henan Mumford ching told reporters, B level cylinder of the cost much higher than the A cylinder, therefore, the market most of the locks branded products are introduced in A level locks. "Anti theft door key if there is only one row of marbles, the basic is the A cylinder. If they feel sufficiently secure, you can change into a B or super B cylinder, improve anti theft performance of the overall anti theft door." Mumford said Qing.

Material Workmanship is Also Very Important

"Apart from the cylinder, hardware accessories is also a key quality of good or bad." Jiangnan Hardware sales staff told reporters that the material generally have aluminum alloy lock, stainless steel and copper, in which the strength and durability aluminum alloy the worst, copper the best, but the price is higher. "The same is the brass locks, all different brands and quality workmanship also great, very difficult to distinguish between ordinary consumers." The sales staff said that consumers want to buy a "rest assured that the lock", the only way is to multi comparison, the big brands of locks are working fine, they match exactly, the low end locks would be a lot more rough workmanship. Also, a good lock when open, the sound is very crisp, mostly low end locks on a key will appear when you insert a relatively loose, open when the voice is mostly boring.

Lock every five years to be "heart"

"The average life of long locks, cylinder naturally would wear, it is easy tooth similar to the key to open." Newspaper in the vicinity of the old master key with a lock, said five or six years after the use of common locks, we must replacement of a cylinder.

Mumford ching, many of the district's anti theft doors and locks are all unified by a real estate developer to purchase, install, and most are not particularly good quality locks. "In a district with large quantities using the same type of locks, in theory, there 'a lock to open a few doors' of risk would be increased. A lot of quarters to reflect the new tenants, it is often the wrong unit , open the door only to find than their home situation. "Mumford ching believes that if a long time without replacing cylinder, it will produce more serious security risks.