Now customers order a type, and the manufacturer organizes the production according to the type provided by the customer. I list a type: R77-32.72-Y2.2KW-4P-M1-0 °, where R77 is the type of reducer, 32.72 It is a reducer, 2.2 is the motor power, 4P is a level 4 motor, 2.2KW is 1420 rpm, M1 is the in Read More