Cybernaut International Holdings Company Limited, formerly Sinoref Holdings Ltd., is an investment holding company principally engaged in the advanced steel flow control products business. Its business mainly include the manufacture and sales of advanced steel flow control products, paper converting equipment and other relating equipment, money lending business and e-commerce business. The advanced steel flow control products include subentry nozzle, stopper, tundish nozzle and ladle shroud. The money lending business mainly includes short-term and long-term property mortgage loans to customers. The e-commerce business is mainly includes the business to customer (B2C) retailing through eBay platform and the Internet wholesale businesses focused on overseas consumers, logistics management and sourcing. The Company is also engaged in the sales of information technology (IT) products through its subsidiaries.