Huayin Electronic CO.,LTD.offers the products of Stepper Motion control. Its stepper product line includes. linear stepper motor,can stack stepper motor linear actuators, mini stepper motors,can stack stepper Gearmotors and Specialty-Type Stepper Motors, such as Waterproof Stepper Motors.The Stepper Motor product line ranges from the smallest 20BYG series with 2.0 ounce-inches of torque, to the largest 86BYGH series, with up to 1700 ounce-inches of torque!