Hi-Tech Group added three all-electric presses at HTG Inland Technologies and two all-electric presses at HTG A.C. Hoffman Engineering in December.
Company officials announced the additions at the Medical Design & Manufacturing West trade show, held Feb. 13-15 in Anaheim.
The Inland site in Fontana, Calif., obtained one JSW machine with 55 tons of clamping force and two 120-ton presses, giving that plant 44 presses of 23-120 tons.
The Hoffman facility in Riverside, Calif., added two Toshiba 110-ton units to its clean room, which now has eight presses. The Hoffman operation has a total of 40 injection and compression molding presses of 40-200 tons.
The group's headquarters and its other unit, HTG Hi-Tech Rubber, are in Anaheim.
Medical work is increasing and now accounts for about 80 percent of business. In addition to injection molding, the company is handling larger volumes of value-added and assembly projects.
California operations and a satellite molding facility in Creedmoor, N.C., employ about 750 and had 2006 sales of more than $70 million, marketing manager Shubroto Chattopadhyay said.