Changzhou DAHUA Lock Factory Co., Ltd. was established in 1992 and is located in Longhutang Town, Changzhou City, Jiangsu Province. The company covers an area of over 30,000 square meters and has a completed building area of  24,000 square meters. DAHUA has more than 300 employees. It is a modern door lock enterprise integrating scientific research, production and sales, a leading enterprise in the automatic production of locks in China. Now DAHUA has R&D department, mold workshop, spray workshop, electronic workshop, office branch, IT department, processing factory, etc. This provides ample guarantee for product innovation, quality and timely delivery.


Safety first, to ensure quality as the goal, DAHUA has a research and development team composed of doctors, masters and senior engineers; a project team consisting of industrial design, structural design, software development, motor design, graphic design and standardization engineers. This provides a source of sustainable development for DAHUA. The mold shop has a strong team from mold design to mold making. CNC, EDM, WEDM and other precision processing equipment provide strong support for the development and quality of new products. There are two sets of dust-free automatic coating lines in the spray production workshop, which provide convenience for different customers. The processing factory covers an area of ​​1,800 square meters and can accommodate 5 assembly lines. Our annual production capacity can reach tens of millions. DAHUA's goal is to become a “trustworthy, most valuable and innovative world Lock company”.


Companies adhere to the "high standards of management, quality assurance, high responsibility" principle, passed the ISO9001 quality management system certification; products have obtained CE, SASO, CCC and other international, domestic certification. DAHUA has a professional team that is united and progressive, and has a complete quality assurance system to provide customers with safe and reliable products and excellent services.


After 27 years of hard work, we have our own partners in more than 20 countries around the world, and have established a complete design, development, testing, production and sales system, which has formed Europe, South America and the Middle East. We manufacture and sell DAHUA, Goodluck and MAK products covering rim locks, night locks, security locks, electric locks and other market segments. The electronic lock and security lock series series are favored by international brands for their excellent quality.