Waterproof Vents for Mobile and Wearable Devices | Shieldzone
Acoustic membranes and pressure vents for phones, TWS earbuds, smart watches, tablets and wearable electronics.
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.