... operation. 2,ISO9001:2008 standard. SY-SC-2033 Speed controller 1,Product introductionSpeed controllers are designed and manufactured ... technologies. They are used to control Diesel water pump Speed, featuring remote switchable droop or isochronous operation. This Series ... , fuel solenoid, charger for engine start battery, actuator, speed controller, load sharing panel and so on.3, CertificateOur ...