The best products are often the result of collaboration. Thanks to our high-quality products we have become known as a reliable and flexible partner for industrial suppliers all over the world. Various fenders are used in the dredging industry, both on the ship and along the sides of the ship. Rubber fenders can be used on the ship to protect, among other things, cardan rings and drag heads. Along the side of dredgers, ball fender systems and pneumatic fenders are used to protect the hull of the ship. In addition to the dredgers fenders, RELONG also produces and supplies a wide variety of rubber sealing profiles for various types of hatches, hatches and bottom doors for the dredging industry.

1.Proportional increase of energy and reaction 
2.Low hull pressure 
3.Economical solution
4.Easily deplateable to be used in different location and to be stored on deck of vessels

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.