On February 28, 2023, the medium and large new double-string shaft sludge dewatering machine was produced. Breaking through the technical difficulties. Previously, we could only produce small double-string shaft sludge dehydrators, according to the actual operation results and suggestions of customers on site, medium and large double-string shaft sludge dehydrators were also successfully produced. Thanks to the support and care of customers and friends, the achievement of our technical progress and quality assurance.