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Smart motorcycle safety helmet

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.

Reasons for choosing us
FLYING WEAVE SAFETY SHOES
01Solutions 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.

02Highly specialized team and products

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

03We 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.

CONTACT USCustomer satisfaction is our first goal!
Email us

Consultation hotline:0086-15900663312

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

Smart motorcycle safety helmet
Block That Noise! | Lesson Plan
Block That Noise! | Lesson Plan

Sound, waves can be partially reflected, absorbed, or transmitted through a material. For example, when you wear ,ear muffs,, you can still hear loud noises, but they ,sound, quieter than they would if you were not wearing the ,ear muffs,. The ,sound, waves are only partially absorbed by the ,ear muffs,, and the rest is transmitted to your ears.

What Is SoundProof Insulation: Major Difference Batt Vs ...
What Is SoundProof Insulation: Major Difference Batt Vs ...

17/9/2019, · There is one misconception in between soundproofing and ,sound, deadening, here soundproofing means improving the ,sound, quality however ,sound, deadening means blocking the ,sound, transmission. Soundproof insulations are mainly used to block the transmission of the ,sound, waves where most of them are made of vinyl nitrile and having cells in its varieties of insulations while …

Noise Reduction Ear Muffs SNR 35DB Shooting Hunting ...
Noise Reduction Ear Muffs SNR 35DB Shooting Hunting ...

DIY & Tools Power & ,Hand, Tools Safety & Security Lighting Power & ,Hand, Tools Safety & Security Lighting

Earplug & Noise Reduction Ratings Explained
Earplug & Noise Reduction Ratings Explained

In all cases where the ,sound, levels exceed the values shown below, a continuing, effective hearing conservation program should be administered. For a better grasp of industry standards, here are a few of the most common producers of noise levels that OSHA considersto be dangerous: lawnmowers, rock concerts, firearms, firecrackers, headset listening systems, motorcycles, tractors, power tools ...

A Guide to Buying Electronic Ear Muffs :: Guns.com
A Guide to Buying Electronic Ear Muffs :: Guns.com

The ,sound, quality of Pro Ears Gold is superior to most other muffs and each ear cup can be adjusted separately. They have a strong NRR of 28, come with a five-year warranty and are made in the USA ...

How to Soundproof: Basic Principles and Techniques for DIY
How to Soundproof: Basic Principles and Techniques for DIY

When you first consider installing soundproofing, it seems a simple enough concept: You put up some soundproof material between you and the source of the noise, and voilà! — instant quiet!Then you go on the internet and start looking for good materials to use, or you go to a home improvement store and talk to some of the sales reps about your ,do,-it-yourself (DIY) soundproofing project, and ...

Earmuffs + speakers = The best headphone ever! - YouTube
Earmuffs + speakers = The best headphone ever! - YouTube

18/9/2010, · How to build an excellent headphone using ,earmuffs, (ear defenders / protectors) and an old headphone. Acoustic ,insulation, for hearing all the details of your songs and movies.

DIY Super-Noise-Canceling Headphones : 6 Steps - Instructables
DIY Super-Noise-Canceling Headphones : 6 Steps - Instructables

Screw the ear pieces from the ,earmuffs, onto the head band from the headphones. Reinsert the foam into the ear pieces. Place the speakers into the ear pieces with the wires going through the notches. Place the black cloth from the headphone ear cushions on top of the speakers. Hold it all together by replacing the ear cushions from the ,earmuffs, ...

Expert Tips and Procedure on How to Estimate Insulation
Expert Tips and Procedure on How to Estimate Insulation

24/3/2019, · ,Insulation, Estimation and Costs . Now, that you have determined how much ,insulation, you need, is time to set a price or determine the cost to actually install the ,insulation,. Depending on the amount of work a good number could be between $0.75 and @2.50 per square foot. This number will depend on the amount of R-value and the room configuration.

What You *Really* Need to Know About Shooting Ear Muffs ...
What You *Really* Need to Know About Shooting Ear Muffs ...

10/8/2018, · Electronic ,earmuffs, combine passive ,earmuffs, with cutting edge ,sound, processing technology. Equipped with one or more microphones, and circuitry that cuts off the ,sound, …