Founded in 1930, after nearly 80 years of hard work, the company has grown into a well-known national and international professional lock-in group, a small gold shop. The company covers an area of 340. 8 million square metres and 15. 13 million square metres of construction, employing 3380 employees, including 289 engineering technicians and 137 quality workers. The company specializes in the production of "three-ring" civilian and commercial locks, consisting mainly of lock series, lock series and car lock series, with more than 100 coloured specifications, which are best sold in more than 180 regions and 31 provinces, municipalities and autonomous regions of the country. The company has always adhered to the purpose of "quality-based" and has carefully managed its quality. The company is the chairman of the lock-in branch of the chinese gold products association. He is a founding and a long-time member of the taipei general council of good business. Three rings locked limited, whi...