Ningbo Big Film Technology Co., LTD. (referred to as "Big Film Technology") is located in Cixi, the center of the economic Golden triangle of Shanghai, Hangzhou and Ningbo in Hangzhou Bay area on the south wing of the Yangtze River Delta, mainly engaged in the research and development, production and application of new materials and the development and production of high-end equipment. Big film technology is a high-tech enterprise integrating research and development, production and management. The company's main products include: pervaporation dehydration membrane (zeolite molecular sieve membrane, nano inorganic membrane), inorganic nano pore adsorption separation materials, VOCs recycling...