Safe Lock(Combination Lock)

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100 Pieces 1000pcs pc
Supply Capability:
300000 Pieces per Month 500000pcs/month pc/month

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Product Description:

Product Name: 820S Combination Lock


1) Model: AL-820s

2) Material: brass ,stainless stell ,zinc alloy material

3) Password: Can be changed incalculably

4) Ideal for all kinds of safety cabinet

5) Color: Various kinds of colors available

6) Productivity: 400, 000PCS/MONTH

7) Size: Details



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Q:Security door in the A-level lock, B-lock, C-level lock What is the difference?
Anti-theft door lock level: in the market to use the anti-theft door cylinder is basically divided into three, namely, A, B, super B (also known as C). According to the "national mechanical lock standard" anti-theft door lock core with A and B two levels, super B-class is another development of the enhanced version of B-class.
Q:What is the tube well lock
Pipe doors, electrical doors, line doors, and other special locks
Q:Is the electronic smart lock safe?
Lock and the key of the exact time of the invention has not test, and the ancient civilizations have their own invention of the lock and key.
Q:What are the types of hardware accessories for locks?
Door locks by type, can be divided into: electronic locks, padlocks, tipping locks, ball locks, mortise lock, marbles door locks, color locks, electric locks and so on.
Q:There is a bike lock can not turn after the direction of this lock is what the name of the lock
Even in the "entry" three-thieves thieves eyes, it is also vulnerable to vulnerable! Because it's the principle is too simple, and perhaps not as a strong plus a lock with the use!
Q:Which locks are safer
Check the A and B by checking the key. If it is a single row of marbles, security door installation is likely to be A-level lock cylinder. If you feel unsafe, you can consider replacing the ultra-B-level cylinder, to improve the overall anti-theft security features.
Q:Anti-theft lock points several levels. Which is the best
At present, our country is divided into two levels, one A-level, one B-class, B-class than A-level anti-theft is better, the market C level, super C level are deceptive. In general, the more complex the key above, the higher the level of security.
Q:The role of off-road truck differential lock?
Locked differential (mechanical lock, electric lock, pneumatic lock) In order to ensure the vehicle in the complex off-road conditions under the driving performance, through a certain mechanical structure of the differential lock, to achieve the simultaneous rotation of the two axles. Through the planetary gear set analysis, is the planetary gear set of the transmission mechanism to lock, to ensure that between the planet carrier and the sun wheel, and the transmission between the two sun wheels are 1: 1. You can lock the sun wheel and planetary planes, you can put the planet carrier and planetary gear lock, you can also lock the two sun wheels. Locked differential, in the absence of locking, the drive characteristics and open differential exactly the same, in the case of locking, the transmission ratio is fixed to 1: 1. The advantage of this differential is self-evident, providing the greatest driving force on off-road pavement. The disadvantage is that the steering of the vehicle is extremely difficult when the differential is locked; there is a possibility that the bicycle will be 100% , The axle will be deformed or broken because of excessive torque; the vehicle in the process of steering, the two half of the bearing by the opposite torque, if the adhesion of both sides of the tire are large, will cut the axle. In addition, this differential, in the vehicle during the implementation of the lock action will produce relatively large noise. The locking differential has all the structure and characteristics of the open differential. In the case of unlocking, the application range is the same as that of the open differential. In the case of locking, it is only suitable for low speed travel Pavement, can not travel on the pavement, otherwise it will lead to vehicle damage and steering out of control. This type of differential is represented by ARB's pneumatic locking product and Eaton's electric locking product.
Q:The characteristics of various locks and advantages and disadvantages
Glass door lock         In the category of household locks, the appearance of the glass door locks is a kind of lock with the appearance of the glass door. In this era of popular glass doors, glass doors as a glass door with its performance, advantages, features are a lot of safety, stability is no need to worry. Among all the door locks, the safety of the glass door locks is the best. Open the glass door locks, do not need to spend too much time, but if it is man-made intentional damage to open, then, according to different levels of door locks, ultra-B grade glass door locks at least need more than half an hour.
Q:What type of tongue lock can be divided into?
China's top ten lock brand of the product used in rare earth high-energy permanent magnetic materials, from the small volume of magnetic force, a hundred years of natural degaussing is not more than one ten thousand, with a permanent and reliable. Can be customized according to customer requirements! Material and surface treatment: lock body for the zinc alloy, the surface polishing chrome; dial pad for the galvanized steel plate. Key for the core of the core, the surface chrome.
Our main markets include Europe (Germany, Holland, Italy), North America (Canada, America) and South America (Brazil, Chile, Colombia, Santiago).Our products are manufactured strictly in accordance with International standard. With the development of business, our products, with guaranteed good quality, reasonable price, on-time delivery and good & efficient services have made all of our customers satisfactory.

1. Manufacturer Overview

Location Zhejiang,China (Mainland)
Year Established 1998
Annual Output Value US$2.5 Million - US$5 Million
Main Markets North America 25%
South America 25%
Eastern Europe 12%
Southeast Asia 10%
Africa 5%
Oceania 5%
Western Europe 16%
South Asia 2%
Company Certifications ISO9001 Certificate

2. Manufacturer Certificates

a) Certification Name  
Validity Period  

3. Manufacturer Capability

a)Trade Capacity  
Nearest Port Ningbo, Shanghai
Export Percentage 61% - 70%
No.of Employees in Trade Department
Language Spoken: English, Chinese, Japanese, German, French
b)Factory Information  
Factory Size: 3,000-5,000 square meters
No. of Production Lines 8
Contract Manufacturing OEM Service Offered Design Service Offered Buyer Label Offered
Product Price Range Average