Hardened Bicycle Locks and U Locks

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China Main Port
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Min Order Qty:
300 Pieces pc
Supply Capability:
32000 Pieces per Month pc/month

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Product Description:

*hardened bicycle lock with good quality and low price.


*MOQ: 300pcs


*Product: U-Lock for motorcycles


*Model No.:320


*Lock cylinder: YUEMA racing lock core


*Lock body: Φ32mm alloy steel, chromed


*Shackle: Φ20mm steel, heat-treated ,white zinc plated


*Specifications: 223.5*245*32mm


*Packages: blister paper card,10 pcs/ctn




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Q:The key was stuck in the lock
To the keyhole irrigation point pencil gray more than open several times like, do not lock the oil in the keyhole, or not a few locks on the scrapped.
Q:Mechanical lock and smart lock which anti-theft function stronger
Smart lock is different from the traditional mechanical locks, in the user identification, security, management of the more intelligent locks, access control system lock the door of the implementation of components. Smart lock is different from the traditional mechanical lock, is a security, convenience, advanced technology, composite locks. Home smart door locks, not only the use of the principle of complex cylinder, people can not open, and some fingerprint locks need to have a fingerprint to be able to open, thieves and then smart face no keyhole lock can not do anything Intelligent door locks with a variety of alarm methods, low voltage alarm, to avoid the battery power; error alarm, password fingerprint input error, automatically remind the police. Multiple protection against malicious damage and accidents. The security level is greatly improved.
Q:Xi'an which has a special place to sell locks ah
This lock the big supermarket there, the general hardware store also have a personal proposal you go to the former home world, and now the China Resources Vientiane Road shop, the right price, quality is also guaranteed, individual selection of larger
Q:What is the tube well lock
Pipe doors, electrical doors, line doors, and other special locks
Q:Yue Ma lock a few product level? How about the empty lock cylinder
Cylinder: three generations of special idling lock cylinder (360 degrees idling) Answer two: It should be said, Yue Ma empty lock core anti-theft coefficient is still very high. As for the cracked, it is also a very general argument, violent words, I think there is no lock which can be completely resistant. If you mention Yue Ma lock, talking about the 2006 Challenge, to mention the original CCTV CCTV reports, said Yue Ma lock was cracked, this is a very unfair argument. The market can determine the product, Yue Ma lock quality is not good, why can always adhere to the present, but also continue to expand the market.
Q:Lock safety level to H level what meaning
1.A level: The key for the flat or crescent-shaped, single or double-sided with a row of concave spoon or cross-shaped four-sided convex groove; 2.B level: The key for the flat or crescent-shaped, single or double-sided with two rows of concave spoon or cylindrical multi-point concave spoon; 3. Super B: The key for the flat type, single or double sided with two rows of concave plus S-shaped slot, or inside and outside the double snake-type spoon; select: The most secure lock cylinder has been upgraded to B-class and ultra-B-class, the best time to buy election super B-class.
Q:What are the types of hardware accessories for locks?
Door locks according to the development of modern locks, the form points: password lock, sensor lock (IC card lock), electromagnetic locks, biological locks and so on.
Q:Beyond all stainless steel lock can be opened from the lock cylinder violence?
Lock core with a number of anti-theft technology, a variety of special-shaped anti-pull ball, put an end to technology to open, with a unique ball and leaf structure design, with a high anti-technical open security performance.
Q:What brand of international import hotel room door locks? Must be imported brands.
Onity, ranked third, foreign market share is good, the Chinese market in general, about 10%, the current hackers because of the crack, and now hit the market at low prices, the brand late to wait and see;
Q:What is the principle of chain lock?
Cross key: there will be positioning point inserted the wrong situation, the key corresponding to the lock bit of the teeth than the other three thick side. Plug the wrong will not turn the whole circle, the fault is out on the old lock because of the use of wear and tear. The key right-handed fluctuations in the tongue to open the tongue to open the lock, the release of the lock bar and the general principle of the same padlock structure only.
We are specializing in making a series of mechanical locks for vehicles, safes and doors. Most of our products have obtained national patent certificates. Our products also have been recommended by the Ministry of Public Security as the security and protection products for many years. We welcome friends all over the world to visit us!

1. Manufacturer Overview

Location Guangdong,China (Mainland)
Year Established 2007
Annual Output Value
Main Markets North America 2%
South America 1%
Eastern Europe 1%
Southeast Asia 3%
Africa 5%
Mid East 5%
Eastern Asia 3%
Domestic Market 80%
Company Certifications ISO 9001:2008

2. Manufacturer Certificates

a) Certification Name  
Validity Period  

3. Manufacturer Capability

a)Trade Capacity  
Nearest Port
Export Percentage 1% - 10%
No.of Employees in Trade Department
Language Spoken:
b)Factory Information  
Factory Size: 10,000-30,000 square meters
No. of Production Lines
Contract Manufacturing OEM Service Offered Design Service Offered Buyer Label Offered
Product Price Range