Sinolong New Materials Co., Ltd. (Sinolong), founded in 2018, it is a leading ecological integration technology company in the film industry, selected as "China's 500 Most valuable brands". Focusing on material science and technology innovation and operation, Sinolong New Material distributes four product fields, new energy film, bio-degradable fill, functional film and high-performance polyamide material. It has built the world's leading integrated industrial chain of "high-performance polyamide material - functional film", focusing on creating an industrial ecosystem with high-performance film as the core. Its business has covered major countries and regions around the world. Subsidiary of Sinolong: 1, Changsu, Global leading high-functional film supplier. Xiamen Changsu Industrial Co., Ltd. (Xiamen Changsu) was established in 2009, is an international leading BOPA film manufacturer and supplier integrating product R & D, intelligent manufacturing and marketing promotion. The production and sales volume of high-functional BOPA film is the world leader. It has realized the large-scale production of core technology products such as Ultrany, Supamid, PHA, and BOPLA, filling the gap in the high-end film market, and continuing to lead technological innovation and development of the industry. Fujian Changsu Industrial Co., Ltd. (Fujian Changsu) was established in 2021. The company focuses on the R & D, production and sales of functional film and owns the world's leading fifth generation low-carbon technology production equipment. It is expected that after all put into operation, the annual production capacity will reach 200000 tons, which significantly contribute to the groups goal. 2, Sinolong Industrial, High performance polymeric expert. Fujian Sinolong Industrial Co., Ltd. (Sinolong Industrial) was founded in 2012. It is a leading expert in high-performance polymer materials in the industry. The products cover film grade polyamide, high temperature resistant polyamide and other high-performance polyamide materials, which are widely used in functional film, automobiles and electrical fields. Among them, the production and marketing scale of high-functional polyamide film is the world leader.