MEMS acoustic film project was put into operation recently. MEMS acoustic film based on e-PTFE material made, mainly used for MEMS process of waterproof, dustproof, sound permeability and other effects, the product is the company on the basis of e-PTFE film to the downstream product extension, the project officially put into production can give full play to the company's core technology advantages, enrich the company's product line, improve the company's core technology product proportion, Enhance the competitiveness and profitability of the company.