PGR Drive Technologies - PA12 90L/4A referenced reducer product produced by high technology. PA12 90L/4A became irreplaceable of foundations. PA12 90L/4A referenced product which is satisfy the customer's needs, offers advantages of quality and cost. It produced result of tests of laborotory for years. PA12 90L/4A referenced product is an original piece of your foundation or machine, original parts makes your machine live longer.