Cargotec's 300th Siwertell unloader contract will see the company deliver its safe, efficient and environmentally-friendly Siwertell system to the Indonesian fertiliser producer, PT Petrokimia Gresik. In January this year, Cargotec secured a second contract for a Siwertell ship unloader with the Indonesian fertiliser producer, PT Petrokimia Gresik. "The customer chose our Siwertell technology again, because they wanted a highly efficient continuous screw-type unloader, which was also capable of safely handling potentially explosive materials…