On November 20th, Gelonghui reported that zhejiang wazam new materials (603186.SH) stated on the investor interaction platform that the company's functional composite materials can be used for new mobile phone back panels and can be customized and developed for production according to the needs of downstream and end customers. From the perspective of the industry chain, the company is an upstream materials provider, ultimately applied to end products through processing by downstream manufacturers, and the company's end customers for mobile phone back panels cover major domestic mobile phone manufacturers.