Japan mixer paper products three crystal density, average density holes, excellent thickness uniformity, good waterproof effect; Uses: This product has a damping effect on sound waves, the sound of fiction spike, improving the sound frequency characteristics are extremely effective results. A microphone, speakers, microphones and other audio products suitable for use as a mixer, to improve its audio properties while serving as dust network, waterproof network use. The Acting Company in Japan three crystal mixer paper, cloth tuning production are imported from Japan, (y1-y9) model is complete, and has specialized test equipment monitoring product density and permeability, tuning stability, suitable for different Customers can also be tailored specifically for customers special density, special ventilation flow, special tuning thickness paper products.