Nov 24 (Reuters) - Poseidon Nickel Ltd POS.AX :
* Silver swan offtake contract signed POS.AX
* Says Poseidon has signed offtake contract for Silver Swan with Tsingshan in China
* Says Poseidon believes that silver swan will have one of the lowest nickel production costs in Australia
* Contract is for unprocessed ore and delivers superior net financial return compared to the production of concentrate
* Source text for Eikon ID:nASXc2CcZH