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Home > icon motorcycle helmets

icon motorcycle helmets

Shanghai Sunland Industrial Co., Ltd is the top manufacturer of Personal Protect Equipment in China, with 20 years’experience. We are the Chinese government appointed manufacturer for government power,personal protection equipment , medical instruments,construction industry, etc. All the products get the CE, ANSI and related Industry Certificates. All our safety helmets use the top-quality raw material without any recycling material.

Why choose us

Solutions to meet different needs

Solutions to meet different needs

We provide exclusive customization of the products logo, using advanced printing technology and technology, not suitable for fading, solid and firm, scratch-proof and anti-smashing, and suitable for various scenes such as construction, mining, warehouse, inspection, etc. Our goal is to satisfy your needs. Demand, do your best.

Highly specialized team and products

Highly specialized team and products

Professional team work and production line which can make nice quality in short time.

We trade with an open mind

We trade with an open mind

We abide by the privacy policy and human rights, follow the business order, do our utmost to provide you with a fair and secure trading environment, and look forward to your customers coming to cooperate with us, openly mind and trade with customers, promote common development, and work together for a win-win situation.

24 / 7 guaranteed service

24 / 7 guaranteed service

The professional team provides 24 * 7 after-sales service for you, which can help you solve any problems

Certificate of honor


CONTACT USCustomer satisfaction is our first goal!

Consultation hotline:0086-15900663312

Address:No. 3888, Hutai Road, Baoshan District, Shanghai, China

icon motorcycle helmets

How to Choose Shooting Earmuffs: Selection Guide

How to Choose Shooting Earmuffs: Selection Guide

How to Choose Shooting ,Earmuffs,: Selection Guide. Did you know the sound of gunfire is the most hazardous non-occupational noise that Americans are exposed to? It's possible that a single shot with an unprotected ear can lead to immediate and permanent hearing loss, often accompanied by tinnitus (ringing, hissing, or humming in the ears).

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Best Earmuffs For Shooting – Perfect Product For Shooting ...

Best Earmuffs For Shooting – Perfect Product For Shooting ...

These shooting ,earmuffs, have a sleek folding design and due to the sleek design, it makes more safety while in the bush. Honeywell R-01902 Shooting ,Earmuff, is superior quality and comes with a high NRR of 30 ,dB,. Howard Leight built-in directional microphones amplify range commands and other sounds. This is the best ,earmuffs, for shooting range! 3.

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Peltor 3M Sport Ultimate 10 Earmuffs with a Noise ...

Peltor 3M Sport Ultimate 10 Earmuffs with a Noise ...

Peltor Sport's highest-NRR ,earmuff, with a Noise Reduction Rating (NRR) of 30 ,dB,. The Ultimate ,10, Hearing Protector provides hearing protection coupled with performance and comfort features. Featuring patented twin cup design, padded headband and pivoting cups, the Ultimate ,10, is designed for protection without sacrificing comfort.

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Decibel Noise and Range Charts

Decibel Noise and Range Charts

A sound ,10, times more powerful is ,10 dB,. A sound 100 times more powerful than near total silence is 20 ,dB,. A sound 1,000 times more powerful than near total silence is 30 ,dB,. For example, a backhoe and a compressor each producing 90 ,dB, have a combined output of 93 ,dB,, not 180. But 93 ,dB, is still twice as much noise as 90 ,dB,.

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Attenuation of Earplugs Worn in Combination with Earmuffs

Attenuation of Earplugs Worn in Combination with Earmuffs

plugs alone, 3 - 14 ,dB, when compared to the muffs alone, and 3 - ,10 dB, when compared to the better of the two indi-vidual devices. An example of the performance of each of the earplugs worn in combination with muff #2 is shown in Figure 4. For the lower and middle frequencies the attenuation varied by approximately 20 ,dB, across the different ...

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Earmuffs - Wikipedia

Earmuffs - Wikipedia

Placing ,earmuffs, over obstructing hair or safety glasses with thick frames may reduce the ,earmuff, attenuation by 5-,10 dB,. Even eyeglasses with thinner frames can reduce the effectiveness of hearing protection by 3-7 ,dB,.

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The 5 Best EarMuffs for Sleeping In 2020- Guide to ...

The 5 Best EarMuffs for Sleeping In 2020- Guide to ...

26/4/2020, · 9.5/,10,: Snug Kids ,Earmuffs, / Best Hearing Protectors: Foldable and perfect for protection against crowd noises, and common environmental noises in homes. 9.5/,10,: 3M Peltor X-Series Over-the-Head ,Earmuffs,, NRR 31 ,dB,: Comes with a Noise Reduction Rating (NRR) OF 31dB 9/,10,: ClearArmor Safety ,Ear Muffs, Hearing Protection – 31.5 ,dB, SNR Noise Reduction

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My Top 6 Noise Blocking Earmuffs Review - RememberEverything

My Top 6 Noise Blocking Earmuffs Review - RememberEverything

The European SNR for the same ,earmuffs, tends to be higher than the US NRR, so make sure you know which number you are actually looking at: for example, when sold in the US, the 3M Peltor X5A box states an NRR of 31 ,dB,, and when sold in Europe an SNR of 37 ,dB,.

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Top 10 Electric Ear Muffs of 2019 | Video Review

Top 10 Electric Ear Muffs of 2019 | Video Review

2/5/2019, · How Do Electric ,Ear Muffs, Protect The Ear From Damage? A decibel(,dB,) is the unit used to measure the intensity of a perceived sound. Damage to the ear is caused by sounds with very high decibel levels. The reference sound is 0dB, which is the smallest sound audible to the human ear, just above total silence.

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3M 90563H1-DC Earmuff Black in the Hearing Protection ...

3M 90563H1-DC Earmuff Black in the Hearing Protection ...

Shop 3M 90563H1-DC ,Earmuff, Black in the Hearing Protection department at ,Lowe's.com,. Compact and highly effective, 3M™ Folding ,Earmuffs, deliver excellent hearing protection when you're on the job and fold up neatly when the day is

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