... material and parts . Uses: SDS series dynamic and static electro-hydraulic servo testing machines match the digital electro-hydraulic servo-IDCD2K which is designed and manufactured by our own company. The SDS Series testing machines are mainly ... ~600mmPower supply380v, 22kw380v,30kw380v,37kw380v,75kw380v,75kw380v,75kw SDS series dynamic and static electro-hydraulic servo fatigue testing machines