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Home > The helmet is buzzing after wearing it for a long time

The helmet is buzzing after wearing it for a long time

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

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CONTACT USCustomer satisfaction is our first goal!

Consultation hotline:0086-15900663312

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

The helmet is buzzing after wearing it for a long time

Engineering students invent collapsible safety helmets ...

Engineering students invent collapsible safety helmets ...

The days of bikers having to lug bulky ,helmets, around could be a thing of the past thanks to two new ,inventions,. The days of bikers having to lug bulky ,helmets, around ... ,safety helmets,.

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How This New Football Helmet Is Designed To Protect The Brain

How This New Football Helmet Is Designed To Protect The Brain

3/9/2018, · The new design is off to a good start. The ZERO1 football ,helmet, made the Time's list of 25 Best ,Inventions, of 2017 and earned the top spot in the NFL's and …

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The History of the BOURKE

The History of the BOURKE

made possible through ,modern, technology in materials, design, and manufacturing. At the forefront of this innovation is the Defender Visor for Cairns Fire ,Helmets,, available only from MSA. Inspired by the Bourke ,Safety, Eye Shield, the patent-pending design of the …

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The History of Personal Protective Equipment | UniversalClass

The History of Personal Protective Equipment | UniversalClass

The first fire ,helmet, had a high crown and broad brim and was ,invented, by Jacobus Turck in the 1730s. The ,helmet, was made of leather. A more ,modern,-looking ,helmet, was created in 1836 by Henry T. Gratacap. It was a reinforced, dome-shaped leather ,helmet, with a front shield and a …

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Who invented football helmets?

Who invented football helmets?

The ,inventor, of the football ,helmet, would, therefore, need to have designed or created a new and useful improvement to a protective head covering or enclosing headpiece specifically for use in the game of football and from which the evolution of the ,modern, football ,helmet, can be traced.

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History Tuesday: The Bicycle Helmet | Davison

History Tuesday: The Bicycle Helmet | Davison

Then in 1975, Bell Auto parts ,invented, the first real ,helmet, for cyclists. It consisted of a hard plastic shell padded with a foam-like material. This was the beginning of the ,modern helmet,. In 1984, The American National Standards Institute introduced standards for ,helmets, that were widely accepted.

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The Invention Of The Football Helmet Included Some ...

The Invention Of The Football Helmet Included Some ...

And while the supposed ,safety of modern,-day ,helmets, is continually being brought into question, there was a time when players didn’t wear any head protection at all! While the use of ,helmets, began with what was essentially little more than a leather hat, one ,inventor, in the 1930s developed a more durable version.

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History of the Modern Motorcycle Helmet - Dirty-Girl Motor ...

History of the Modern Motorcycle Helmet - Dirty-Girl Motor ...

History of the ,Modern, Motorcycle ,Helmet Helmets, have been around pretty much throughout human history. Examples of ,helmets,, presumably for military use, can be found in the pre-history of more than one culture. ,Helmets, came in a wide variety of shapes and sizes to serve a range of protective functions long before motorcycle ,helmets, were developed.

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Helmet - Wikipedia

Helmet - Wikipedia

The word ,helmet, is diminutive from helm, a medieval word for protective combat headgear. The medieval great helm covers the whole head and often is accompanied with camail protecting throat and neck as well. Originally a ,helmet, was a helm which covered the head only partly and protected it from injury in accidents.. In civilian life, ,helmets, are used for recreational activities and sports (e.g ...

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How the Military Helmet Evolved From a Hazard to a Bullet ...

How the Military Helmet Evolved From a Hazard to a Bullet ...

Schwarzkopf's ,helmet,, a PASGT, represents "how technology and innovation work together in the field of ground-forces protection,” says Frank Blazich, Jr., the Smithsonian's curator ,of modern, ...

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