Polyethylene (PE) Rotational lining of pipes and pressure vessels, pipe fabrication and pipe refurbishment.

“We service all Chinese dockyards as well as ship our products internationally.”

Want to keep your ship or vessels in a great shape? We at Irwin Marine Group are experts in the rotational lining of pipes, pressure vessels, and pipe refurbishment so that you have the most hassle-free journeys. With the help of Irwin Rotational Lining and Irwin Marine Services, we provide professional coating and pipe refurbishment services to all Chinese shipyards while keeping in mind the best practices, quality, and environmental protection.


What Do We Offer?

Irwin Rotational Lining

High quality coatings/linings on the most difficult geometries. Our PE and PP plastic coatings ensure the longest service life in various applications.

2-stroke Main Engine Repairs

Unit overhaul, liner exchange, cross-head, crankpin and main bearing service; fuel pump overhaul, cooler cleaning (fixed price tariff available)

Electric Motor Rewind

Inspection & fault finding, dismantling & assembly, rewinding, dynamic balancing of rotating components,12 month warranty on rewinding work, 6 month warranty on overhaul work (we will even source you a new motor if it is cheaper!)

Pipe Refurbishment

Our pipe refurbishment process can make an old pipe better than the original at a fraction of the cost of fabricating and coating a new pipe.

Steel Works

With our own ABS approved welding procedures and welders, stock of most grades of ship building steel, as well as pipes and pipe fittings, we are ready to meet the requirements of any short notice jobs.

Ventilation Duct Fabrication

Our sheet metal specialists are able to accurately and cost effectively fabricate the most difficult geometries from galvanized and stainless sheet. We also do onboard installation.

Why Choose Us?

We have specialized divisions to provide the quality coating and pipe refurbishment options to shipyards along with a proven portfolio of welding procedures. Our qualified and experienced staff is available 24*7 for ship repair in China and Hong Kong. Working with us offers significant advantages when compared with other service providers such as:

  • You get the full value of money as costs for lining and tooling are relatively low and we provide highest standards of quality.
  • As rotational lining eliminated the need for secondary tooling, you save a lot of money and time.
  • Our technologies and techniques are proven in various harsh chemical applications.
  • Our divisions have capabilities ranging from small and large tanks to intricately shaped piping.


1. Remove old coating in cleaning oven
2. Inspection and welding repairs
3. Grit blasting and surface treatment
7. Packaging and Delivery
4. Rotational Lining
5. Machining of flanges
6. Holiday testing and pressure test

Staffed with trained professionals, our workshop allows us to cater to a lot of material options within Polyethylene including Low-Density Polyethylene (LPDE), High-Density Polyethylene (HDPE), Cross-Linkable Polyethylene (XLDPE or XLPE), and Linear Low-Density Polyethylene (LLDPE). Regardless of the size and complexity of your job, the professionals at Irwin Marine Group fabricate your products to your exact specifications using the highest quality material.

When you use the rotational lining and refurbishment services from Irwin Marine Group, you get immediate assistance.