Answer from Secretary Dong（
Jimmy Technology
SZ002859):
1. The company's price increase is based on the overall market environment and supply-demand relationship, combined with the trend of raw material prices. At present, from the perspective of supply and demand, there are better external conditions in this year. 2. The release film is a highly customized product. Even products of the same thickness have subtle differences in different clients, so every client will experience a period of testing and improvement. Solar induction is one of the important customers of the company's carrier products. After the mass production of the company's release film products, the company is also gradually introducing the release film products to them. As for the release film products, solar induction is also a new customer, and it is bound to experience the test and improvement run in period. All kinds of products of the company are under the repeated running in with the global leading customers to realize the continuous optimization and improvement of product quality. In addition, the company's important means to break the bottleneck is the self production of the release membrane basement membrane. The company's release membrane basement membrane project has started construction and is expected to be put into production in the first half of 2021. At that time, the company will open up the industry chain of off type membrane and form the advantages of industry chain integration. 3. For M & A, please refer to the company's recent reply to similar questions. Thank you for your attention.