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2006

2006

2022-03-02

Developed a double-opening hasp lock with mechanical key and electronic key, which is mainly used in optical delivery boxes and communication equipment.
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2005

2005

2022-03-02

According to the passive lock cylinder developed in the early stage, the passive small padlock and the passive cabinet lock are designed synchronously. These two products are small in size, and can quickly replace traditional products and upgrade the lock cylinder. In the same year, a passive lock key management box was designed based on the lock cylinder and used in some institutions.
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2008

2008

2022-03-02

Established Shenzhen Dragon Brothers Digital Lock Co., Ltd.
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2007

2007

2022-03-02

Based on the structure of the hasp lock, the intelligent passive cash box lock was developed at the request of the customer.
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2004

2004

2022-03-02

The anti-theft electric box smart lock was piloted in the Guilin Bureau under the Nanning Electric Power Department and received good feedback from customers. In the same year, the world's smallest passive electronic lock cylinder was developed.
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2003

2003

2022-03-02

On the basis of the bank safe deposit box lock, an intelligent passive anti-theft electric box lock has been redesigned. At the same time, a smart padlock was developed and piloted at the container terminal of Hutchison Huangpu, Hong Kong. The product has been sold to various logistics companies and customs in the following 2 to 3 years. There are several versions of this product, including a stand-alone version, and a GPS positioning host connected to the head of the container through a cable, which can be remotely monitored in real time. This version of the big padlock is an early IoT lock.
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