We are one large group engaged in the productions of sand dredgers, cutter suction dreddgers, and sand dredgers. and industrial fans and cooling pads. We have two subsidiary companies. We are now one of the largest producers of sand dredgers, cutter suction dredgers in China. We now have more than 10 years' experience in producing the dredgers. Now our products have been exported to many countries in the world. one is specialized in producing industrial fans, cooling pads and exhaust fans.