For over twenty five years, OMC has been the leading manufacturer of plastic injection molding machines in Taiwan. It has two series of machine models: the OS-CH series with clamping forces ranging from 50 to 550 tones, and the two-platen OS-G series which are in the range of 650 to 1600 tones. Plastic Injection molding machines: Two-platen Hydraulical Molding Clamping System (OS-G series), 650-1600 tons; oil-less Automatic Control Toggle system (OS-CH series), 50-550 tons.