Hardened Bicycle Locks and U Locks

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China Main Port
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TT or LC
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:What is the unit of measure for the lock
The unit of measure is: Lock is a closed role of the device, which includes the lock, the key and its accessories, generally interpreted as "must use the key can only get rid of the seal", now, in addition to the key to open the lock, you can also use light, Magnetic, sound and fingerprints and other instructions to open.
Q:What brand of lock is good?
Lock the top ten brands NO.1 Wang Li Wang Li, from the Wang Li Group Co., Ltd., China Famous Brand, China Famous Brand, China's top ten brands of anti-theft door, China 500 most valuable brands, industry famous brand. Lock the top ten brands NO.2 gold point atom Golden Point Atom, Guangdong Golden Point Atomic Lock Co., Ltd., anti-theft door lock top ten brands, the leading domestic cylinder brand, private technology enterprises in Guangdong Province, high-tech enterprises, the lock industry well-known enterprises. Lock the top ten brands NO.3 million Jia Wanjia, China Wanjia Group Co., Ltd., China Famous Brand, anti-theft door lock top ten brands, Zhejiang famous brand, brand-name products in Zhejiang Province. Lock the top ten brands NO.4 Paul Dean Is a set of design, development, production, sales and service in one of the professional lock enterprises, anti-theft door lock top ten brands, well-known trademarks in China.
Q:Smart lock can bring the benefits?
First out of the door and then do not have to rely on the key, and mobile phone network, through the APP can control the door lock, but I am afraid the phone no electricity, so no mobile phone network, direct use of the fingerprint code fingerprint, Handle on the thumb on the handle directly on the handle door directly open, and heard that this is their home patent, it is the only fingerprint lock on the market.
Q:What is the tube well lock
Tube lock is also called simple door locks, universal door locks, pipe doors, electrical doors, line doors and other special locks.
Q:What is the meaning of the safety of the gas stove?
To prevent the child to be hurt and in the kitchen when the meal did not intend to encounter the key to hurt with the phone keypad phone lock is a reason
Q:I would like to open a lock shop, I do not know how to purchase, have this line of friends pointing it? Thank you. How about doing this, make money? Are there any prospects for development?
Investment, the benefits should be linked with the decoration shop, a simple lock monopoly, first of all to be installed, or you can not afford to sell.
Q:What documents do you need to produce a lock?
Home lock, mortise lock, car lock, chain lock, garage lock, safe lock, electronic lock and so on, according to your customer needs, technical ability, production capacity to decide it, free market free choice.
Q:What are the characteristics of anti-theft lock
The most common compound type lock on the market is the combination of the ball lock and the magnetic lock, which is called the magnetic compound type lock. Open this lock, first of all have to destroy the magnetic lock, and then to the technical unlock.
Q:How to identify A-level locks, B-level locks and C-level locks?
A-level lock: Currently on the market A-level anti-theft lock key is a word key and cross key. A-level cylinder internal structure is very simple, limited to the changes in the ball, the ball slot less shallow. Anti-technical open time 1 minute, the opening rate is extremely high. The ball structure is a single row of balls or a cross lock.
Q:Mechanical lock and smart lock which anti-theft function stronger
smart Lock Anti-theft lock: According to the different principles of the lock cylinder, anti-theft door locks can be divided into box lock, leaf lock, magnetic lock, IC card lock, fingerprint lock and so on. Pin locks and magnetic locks are more common. Like a zigzag lock, cross lock, computer lock and so belong to the ball lock; magnetic lock a few years ago more popular, but this is relatively rare. Fingerprint lock Fingerprint lock: is a kind of human fingerprint to identify the carrier and means of intelligent locks, it is computer information technology, electronic technology, mechanical technology and the perfect crystallization of modern hardware technology. Fingerprint lock is generally composed of electronic identification and control, mechanical linkage system composed of two parts. The uniqueness of fingerprints and non-reproducibility determines that the fingerprint lock is the safest lock in all locks. Fingerprint lock fingerprint identification, according to state regulations, should be added with emergency mechanical keys.   password Password lock: is a lock, open with a series of numbers or symbols. Password locks are usually just a permutation rather than a true combination. Part of the password lock only use a turntable, the lock within a few discs or cams; also some password lock is a group of several carved a number of dial wheel, directly drive the internal lock machinery.
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