Sinoref Holdings Limited is an investment holding company. The Company, along with its subsidiaries, is engaged in the manufacturing of advanced steel flow control products. Its steel flow control products are mainly used in the continuous casting steel making process to protect, control and regulate the flow of molten steel. The Company�s products include ladle shrouds, stoppers, tundish nozzles and subentry nozzles. The Company�s subsidiaries include Sinoref (BVI) Limited, Sinoref (Hong Kong) Limited and Sinoref Yixing.