Using feature: 1. Adjustable pressure: "ZERO"interval standard; 2. Repairing and cost for wear and tear parts which are exchangeable; 3. Lower sensitive style of dust; 4. Do not need grind surface to install rail; 5. Both guide rail and slide board can move; 6. Higher speed & noise volume is lower. 3. Models: HSR-15 HSR-20 HSR-25 HSR-30 HSR-35 Packaging & Delivery Packaging detail: Export standard package and or according to requiremenet (Plastic bag and paper tube, steel shelves) Delivery Detail: 7days-30days after received the advance payment

