Our company specializes in all kinds of diaphragms, including silk, polyester, aluminum, titanium, Malar, PEI, PEN, and PU materials. Besides, our products have a variety of specifications ranging from 13 cores to 100 cores. Moreover, we provide you with mold unloading and changing services according to your drawings and samples. Please contact us if you have any questions. We will do our best to solve your problems.