1. The price of titanium dioxide is rising all the time. That means the water based white pigment paste cost will be higher than before. 2. Because of the environmental protection effect in all of the country, the other materials of producing pigment paste will be higher costs. 3. Transporting freights and packing carton costs of pigment paste are also rising. So what should we do? How we can develop our business? Will we increase the prices of pigment paste products.