Yixing Pioniere Environmental Protection Equipment Co.,Ltd. Spiral Type Sludge Dewatering Equipmentis a new sewage treatment facility developed by Pioniere. It is used to separate the liquid from sludge by special cyliner, which combined with multi-disc and screw shaft. It owns several outstanding features such as low-speed running, energy-saving, free of colgging, simple operation, durable and easy maintenance. It also can significantly reduce the cost of design, construction, operation, maintenance and management.