Noise Cancelling Ear Muffs

    Is it hard to feel at ease because of the piercing noise? When working in noisy environments such as factory workshops and construction sites, high-decibel noise not only interferes with work efficiency, but long-term exposure can also damage...

Noise siege, waiting for a breakthrough   In today's busy cities, noise is like an invisible shackle that is everywhere, binding people's quiet time layer by layer. On the way to work, the noisy voices and rolling wheels in the subway car; the...