2021-8-31 · JSC Tin One Mining, formerly known as JSC Syrymbet, was founded in 1998 to carry out the development of the Syrymbet deposit, including mine and processing plant construction, in Kazakhstan. The Syrymbet licence area also incorporates the Sarybulak tantalum-niobium prospect. The company is a privately owned subsidiary of the Lancaster Group, a diversified holding company specialising in long ...