Topper Locks is a leading cam lock manufacturer in China, specializing in designing and manufacturing cam lock for more than years, providing various categories of cam lock including tubular cam lock, flat key cam lock, digital combination cam lock, pin tumbler cam lock and disc tumbler cam lock, which are made of high quality materials, like zinc alloy, brass, stainless steel, etc. Topper Lockers is located in Xiamen City, Fujian Province, China where having good harbor and airport, convenient for transportation so that out products can be... read full review »