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Qingzhou Yongli Mining and Dredging Machinery Co.,ltd is professional at dredgers with discharge HDPE pipes with floaters. We can provide the floaters with different inner diameter to match different sizes of dredgers and HDPE pipes.

Our company is a professional manufacturer of dredgers. We also supply supporting HDPE pipes, floats and other related accessories. HDPE pipes are classified by inner diameter into various models.

Our multi‑purpose service tug boat works around the clock at ports and dredging areas. Experienced crews tow and push dredgers, handle anchors, install floating pipelines, transport fuel, water, crew and cargo, and carry out lifting and maintenance. Built for durability and power, it guarantees safe, efficient marine support to keep offshore projects running smoothly.

This 500 m³ Split Hopper Barge is designed and built by Qingzhou Yongli Mining and Dredging Machinery Co., Ltd. When used in inland waterways, ports, and coastal engineering projects, it loads silt, sand, gravel and other materials on site, transports them safely to designated areas, and discharges cargo quickly through its hydraulic split hull. It helps the company and its clients complete dredging and transportation tasks efficiently with high stability and low operation cost.

Our company provides multi‑purpose tug & supply workboats specially designed and exported for port and waterway projects in Kazakhstan. These vessels perform towing operations, supply fresh water and diesel fuel, and offer on-site support for dredger maintenance and repair. They ensure stable, safe, and efficient daily operation of dredging and port construction projects, helping clients improve productivity and reduce downtime in all working conditions.

During daily offshore dredging and reclamation operations, crew members operate a split hopper barge at a designated coastal dumping ground. After loading dredged silt, sand, and aggregates from the dredging site, the barge sails to the approved disposal area under the supervision of captain and engineers. To complete safe and efficient discharge, hydraulic systems open the hull longitudinally along the deck hinges, splitting the barge into two symmetrical halves. Gravity quickly releases all cargo onto the seabed for land reclamation or channel deepening. Once empty, the hull closes tightly, and the barge returns to the dredging zone to repeat the cycle. This design ensures fast unloading, high stability, and wide use in marine construction, port development, and waterway maintenance projects worldwide.

The work boats are finished packing now in our workshop. There are 5 work boats and they are ready for shipment to Africa customer.

Our company exported a 1000m³ split hopper barge to the South American market. The factory assigned specialized engineers to handle installation and training, and the barge has been operating in excellent condition.

Qingzhou Yongli Mining and Dredging Machinery Co.,ltd had designed and produced a 600 Tons transport barge for Africa customer. The transport barge is finished and ready for shipment.

Qingzhou Yongli Minning and Dredging machinery Co.,ltd produced the bucket chain dredger for the sand mining project in Africa. Local river sand resources are in great demand, so the vessel was manufactured to boost mining efficiency.