Glass manufacturing industry. There is only one related product in the soda ash futures industry chain and related external disk varieties, and that is glass. As a raw material for glass production, soda ash has the greatest relationship with glass. At present, in the whole downstream consumption of soda ash, glass accounts for more than 50%, especially in the consumption of heavy alkali, glass is as high as 90%. The main use of soda ash is glass manufacturing, and the consumption of soda ash in the market can account for 50%, so soda ash is closely related to glass in the future.