In 1932, the lock factory was created as an integrated lockshop and as a major national priority. There are currently 40. 96 million fixed assets in the lock factory, covering 22,000 square metres of land, 35,000 square metres of construction, and a total of 460 units of equipment, of which 18 have been introduced, 48 have been tested, and complete product development, process design, manufacturing, inspection control, etc. "market" and "use" locks cover the national market, and various types of locks are produced, including building locks (spherical, bullet-shaped, blade-plugs, external door locks, plastic door locks, ic card electronic door locks); traffic locks (ships, cars, trains, subways, aircraft); and special locks (gold boxes, silver banks, heat, radios, prisons). Among them, the car door lock, which began production in 1958, is a "red flag" and "shanghai" car support unit. During the "eighty-five" period, our plant invested $30 million in a 150,000 santana car lock-in nati...