Kloeckner Desma Machinery Pvt Ltd. Offers Manual Center Plate Sliding Device. Kloeckner Desma Machinery Pvt Ltd. Manufactures Injection Moulding machines for Rubber and Silicone. The Manual Center Plate Sliding Device is used for two center plates, with hydraulic ejection. The system is decoupled from the clamping unit with excellent ease of operation and safety.