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.
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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.
Professional team work and production line which can make nice quality in short time.
The professional team provides 24 * 7 after-sales service for you, which can help you solve any problems
Noise Reduction Rating,. ,Noise Reduction Rating, (,NRR,) is the ,hearing protection, rating method used in the U.S. The current range of ,NRR, available in the U.S. market extends from 0 to 33 dB. The ,NRR, is derived from an involved calculation that begins with attenuation test results from at least ten laboratory subjects across a range of frequencies.
Passive ,hearing protection, is the most common form of ,hearing protection, worn for everyday activities such as mowing lawns or doing do-it-yourself work around the house.These are soft ,ear, plugs that are made from plastic or a foam substance that are inserted into the ,ear, canal and help reduce the amount of noise that a person’s ,hearing, is exposed to.
Noise Reduction Rating, (,NRR,) is the ,hearing protection, rating method used in the U.S. The current range of NRRs available in the U.S. market extends from 0 to 33 decibels. The ,NRR, is derived from an involved calculation that begins with attenuation test results from at least ten laboratory subjects across a …
3/11/2020, · ,Shooting Ear Protection,: The ,hearing protection, features an 8-bit microprocessor controls self-diagnostics test, ensuring that the device works properly. (4 Lithium 123) Batteries Included Pro Ears Pro Tac Slim Gold ,Shooting Ear Muffs, have a slim profile, and amplify softer sounds in your environment.
The sound ,ear, defender ,hearing protection, muffs are made by the well-known Homitt brand. It comes with a special ,protective, travel case. These noise-canceling ,earmuffs, have a number of fantastic characteristics such as consists of airtight sound seal over the ears for supreme ,protection,, noise-canceling technology.
NRR 22DB SNR 25DB custom safety hearing ear protection shooting protective earmuffs,, US $ 0.35 - 0.8 / Piece, Zhejiang, China, DONGRUN, DR-PU0100YS, DR-PU0100YS.Source from Ningbo Dongrun Imp & Exp Co., Ltd. on Alibaba.com.
Ear, Muff, Anti-Noise Earmuff, ,Ear, Protector, ,Safety, Muff, ,Hearing Protection,, ,Nrr Snr,, USB Lithium Battery, Bluetooth, Earmuff for ,Shooting,, Noise Reduction Company Introduction Dongguan BeiShu ,Safety Protection, Co., Ltd, Its predecessor was Dongguan Long Prosper Electronic Products Co., Ltd was established in 2006.
NRR 22DB SNR 25DB custom safety hearing ear protection shooting protective earmuffs,, Find details about ,custom earmuffs,, earmuff from ,NRR 22DB SNR 25DB custom safety hearing ear protection shooting protective earmuffs, - Ningbo Dongrun Imp & Exp Co., Ltd.
Noise Reduction Rating,: For the ,safety, of the ears from the gunshots, check out for a unit that has the best ,noise reduction rating,. For instance, some of these ,earmuffs, have ,25dB, this excellent for keeping the ears safe just as expected. You can also try out units that have 30dB for enhanced performances.
28/10/2020, · ,Noise Reduction Rating, (,NRR,) The level of noise reduction offered by a set of ,ear protection, is incredibly important since it is the main reason you will be using them in the first place. ,NRR, is measured at a general level of noise reduction in terms of decibels, and noises above a certain level (generally 140dB) can be harmful to your ,hearing,.