Repair Solutions
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.

IRWIN Rotational Lining

Professional Rotational Lining of Pipes, Pressure Vessels and Pipe Refurbishment

Irwin Rotational Lining (IRL) is the pipe refurbishment and coating division of Irwin Marine Services and was founded in response to the lack of quality coating and pipe refurbishment options at Chinese shipyards With certified ISO9001:2008 and ISO14001:2004 programs, we adhere to strict policies for safety, environmental protection and quality.

Our workshop and processes were developed from the ground up to meet the tight coating and refurbishment deadlines for periodic vessel dockings.



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

Irwin Marine Group which includes Irwin Rotational Lining and Irwin Marine Services was founded by David Schaus, George Zhou and Vens Tse in 2010 in Shenzhen China.

We have a wide range of welding procedures qualified by the American Bureau of Shipping (ABS) as well as our own ABS qualified welders. We maintain stock of ship building grades of steel of various thicknesses up to EH36 grade with proper classification society stamp and mill cert as well as raw pipe, fitting and flanges from DN40 to DN600. Irwin Rotational Lining, can coat and refurbish pipes on short notice.

Irwin Marine Services should be your first choice for emergent repair requirements in Southern China. Our workshop is always available for customer visits.