1, master lock master lock
Founded in 192 1, MasterLock is a global professional manufacturer of padlocks and portable security products, enjoying the reputation of truly durable padlocks and commercial security products all over the world. Committed to providing customers with high-quality products and constantly setting new standards for the design, application and performance of locks, we began to provide comprehensive engineering and technical support to customers in China in 2006.
2. General Locke Tonion
Founded in 199 1, it is a scientific and technological enterprise integrating product research and development, production and sales, with more than 100 patents. Since its establishment, the company has been committed to the research and development and production of bicycle locks, motorcycle locks, door locks and padlocks. It has more than 30 series of products, nearly 1000 varieties, and produces more than 50 million locks every year.
3, plum blossom lock
Founded in 1993, it is mainly engaged in the research and development, design, production, sales and service of locks such as padlocks, smart locks, door locks and car locks, and the technical development and service of computer software and network technology, Internet of Things equipment, smart home software and hardware, and communication equipment. The company has more than one invention patent, utility model patent and appearance patent 100, and its products are exported to more than 60 countries and regions such as Europe, America, Africa, Middle East and Southeast Asia.
4._ Ma security
The company is a professional manufacturer of home security products integrating smart home, safes, security doors and locks. It has two industrial parks in Zhongshan, Guangdong and Jingxi, Guangxi, integrating R&D and production. Since 20 10, he has devoted himself to the research and development of smart locks, presided over the red book conference of smart locks, and won the honorary titles of high-tech enterprises, Guangdong Enterprise Technology Center and Zhongshan Enterprise Technology Center.
5. neutral ZOLI
Founded in 1987, Zhongli Group, formerly known as Ouhai Bicycle Lock Factory, has now become a private scientific and technological enterprise integrating the design, research and development, manufacturing, sales and technical consulting services of bicycle locks, electric bicycle locks, wheel hub locks and motorcycle locks. Products cover smart locks, folding locks, joint locks, U-locks, horseshoe locks, cable locks, chain locks and disc brake locks.
6. Three laps
Founded in 1930, mainly engaged in locks, auto parts production, non-ferrous metal deep processing and other businesses. The company owns 1 1 subsidiaries, 1 branches, 1 multinational joint ventures, 1 national enterprise technology center, and its products are sold to more than 80 countries and regions in the world. President of Lock Branch of China Hardware Association, China Lock Development Center, a high-tech enterprise in Shandong Province.
7. Christie's Jester
Yifeng Lock Industry, a high-end lock brand under Hong Kong Yifeng Group, was founded in 1998. Is an early professional manufacturer of password locks in China. It started from the mold industry and has now become a large TSA customs lock manufacturer. Its products include steering wheel password lock, bicycle password lock, motorcycle electric vehicle password lock, TSA password lock, TSA ribbon lock, computer password lock and so on. Its products are exported to Europe, America, Japan, South Korea and Southeast Asia.
8.seto Santo
A well-known brand of household hardware tools, a modern enterprise specializing in the production of hand tools, electric tools, import and export trade and overseas supermarket sales, began to focus on the development of the domestic market in 2000, and selected the best-selling household hardware tools for display in domestic stores. Saituo is loved by domestic consumers with a series of tools that are concise, practical, cheap and close to the needs of the public.
9. Gold atom
Founded in 200 1, it is a manufacturer of high-security locks, security doors, safes and electronic anti-theft equipment, which integrates R&D, production, sales and security. It has 58 national invention patents and more than 200 utility model inventions, and won the honorary titles of high-tech enterprises in Guangdong Province, national high-tech products and high-growth enterprises in Guangdong Province.
Extended knowledge: introduction to password lock
A password lock is a lock that uses a series of numbers or symbols when opened. Character password locks can be divided into mechanical password locks and digital password locks. The passwords of password locks are usually just permutations, not real combinations. Some cipher locks only use one turntable to rotate several disks or cams in the lock; There are also some coded locks that rotate a set of dial wheels engraved with numbers to directly drive the machinery in the lock.