Dredger gearboxes are designed with respect to harsh conditions and long life. Our dredger gearboxes are operated on small or mid-size dredgers suitable for maintenance dredging or large-size dredging vessels best fitted for land reclamation and larger sand and gravel maintenance works as well as other types of vessels such as cutter suction dredgers. Our pump generator gear units are produced according to the customers' specifications and offer tailor-made transmission ratios and multi-stage concepts. Our product portfolio includes gear units for jet pumps, dredge pumps, generators, cutters and winches. The gear units are designed to the customer's specifications and RELONG's in-house safety standards.

- Reliable
- Gearing that interlocks perfectly
- Solid base and robust housing, designed for high loads
- Slide bearings of the highest quality for maintenance-free gear units

Relong Technology Co., Ltd. is located in Qingdao City, Shandong Province. It is a company dedicated to intelligent robots, ship design, water transportation equipment, marine water quality and ecological environment testing, salvage services; industrial automatic control system devices, radar and supporting equipment, communication equipment, which is a high-tech enterprise integrating sales and artificial intelligence software development, including consulting, design, production, installation, and operation management. Relong provides one-stop customized service according to each client's different dredging site condition. Professional design, international welders welding work, professional field service and after-sale service are the foundation of Relong brand equipment high quality and high reputation.

Q: What are your factory workshops?
A: Our factory production process includes casting, mechanical process, lathe process, heat treatment, assembly, and test, etc. Warmly welcome to visit & test my factory any time.

Q: How does your factory do regarding quality control?
A: "Quality is a priority. We always attach great importance to quality controlling from the beginning to the end. Our factory has 15~30 QC.

Q: Is it easy for customers to change the parts by themselves?
A: Yes, the structure is simple, customers can change it very easily. We will also supply you with maintenance tools for free.

Q: Can you install the motor or diesel engine with the pump for us?
A: Yes, we can, it's no problem, we are experienced in this.

Q: We don't know which pump model we need, can you help us?
A: Yes, please tell me your detailed requirements, include liquid, flow rate, head, etc,
My engineers teal will calculate & select the most suitable pump model for you, offer a pump solution for you.

Q: How long can you reply to us if we send an inquiry?
A: Generally within 2 hours, we will send you an official quotation sheet, with price, technology data, performance curve, dimension, etc.