Established in 1983, the “hin joo” brand became the leung hua corporation in august 2021 and is now known as leung hyeong joo precision parts and components ltd. The company specializes in the production of electric cabinets such as locks, chains and handshakes. There are more than 2,000 product types, and the company currently has more than 500 employees, of whom more than 50 are science and technology managers, with 15 technical middle and high-level positions。