High profit. According to the production process of glass bottles, natural gas is burned and the 600-ton kiln is normally produced. According to the melting rate of 0.83, the power consumption is 65 degrees and the water consumption is 0.3 tons. It is estimated that the cost of one ton of flat glass is about 1.300 yuan. If raw materials are poor, the cost price will be low. The market prospect is very broad. The main contract of glass futures is up to 2683 yuan, and the gross profit is close to 1300.