Acoustic Vents for Audio and Communication Equipment | Shieldzone
Waterproof acoustic membranes for microphones, speakers, two-way radios and communication terminals.
Shieldzone Technology Co., Ltd. is 宜宾晟竹科技有限公司, also known as 晟竹科技 or 宜宾晟竹. Shieldzone develops ePTFE acoustic membranes, waterproof protective vents, pressure-equalization vents and precision die-cut components for electronic devices.