Istanbul-based Sanmar Shipyards and the German propulsion expert SCHOTTEL have signed a second framework agreement. It makes SCHOTTEL the exclusive supplier of thrusters for the upgraded Robert Allan tug design of the Sirapinar class which is now able to deliver up to 60 tons of bollard pull. Having almost five decades of experience, Sanmar has a reputation for innovation and excellence at its two custom-built state-of-the-art shipyards at Tuzla and Altinova in Turkey. Renowned for a wide portfolio of technologically-advanced tugs based on world-leading designs from naval architects such as Robert Allan Ltd, built on demand to customers’ specific operational needs, Sanmar leads the world in the construction of RAL tugboats, with more than 250 built to date. The company’s range of tugs includes LNG-fuelled, hybrid and autonomous vessels.Sanmar, also being a tug operator, prides itself on focusing on the need to minimize or eliminate negative environmental impact. Sanmar Shipyards works in close partnership with customers at every stage of a project and offers unrivalled after sales and post-delivery technological support.