Specifications 1. Low noise 2. ISO9001Quality 3. Best after-sale ... working days after the receipt of advancement.SpecificationsSpecifications 1. Low noise 2. ISO9001Quality 3. Best after-sale service 4 ... Type: 600,620,630, 6000, 6200, 6300, 16000 series.2) Materal used: GCr15—China.(AISI)52100—American,(Din ... open, -Z, -2Z, -RS, -2RS.4) Vibration and Noise level: Z1, Z2, Z3. ZV2, ZV3, Z2V2, Z3V3.5) ...