Castor Drilling Solution AS (CDS) provide high integrity equipment to the offshore drilling market, mainly focusing on niche and tailor-made Heave Compensation-, Tensioning-, Hoisting-, Rotation and Handling systems. CDS combine drilling related product/system deliveries with providing engineering services such as: - System modifications - Product development - Engineering studies - Mechanical, Hydraulic, Mechatronic and Metallurgical engineering - Expertise of large hydraulic cylinders and accumulators - Riser analysis - Multi-disipline system simulations - Calculations - Failure analysis - Mechanical integrity assessments - Materials / Metallurgical evaluations - Corrosion - Tribology / Tribocorrosion