According to the recent market conditions, Longli Lilian Group Co., Ltd. has ample orders for titanium dioxide, which is the main product of the company. The inventory is low and the supply is tight. The company's price committee has decided that since the day, the sales price of titanium dioxide of each model will be at the original price. On the basis of various domestic customers raised by 500 yuan / ton, for all types of international customers increased 50 US dollars / ton. The original is as follows: