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.
Safety helmet of power grid system
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
6/12/2016, · So when I was younger, Shoei ,helmets, where what you lusted after. They were very premium, expensive and well thought of. Roll on a decade or two, Im not so sure. My old ,helmet, was getting very tired. It was well over 10yo and loose around my head. Time for a new one. After a bunch of trying stuff on, I chose a SHOEI NXR, aka the 1200 in other parts of the world.
Modular ,helmets,, also known as flip-up ,helmets,, are a mix between a ¾ ,helmet, and a full-face ,helmet,, the ,reason, being is that the chin bar and visor can flip up to open the front of the ,helmet,. Materials and fitment are similar to the full-face ,helmet,.
These allowed some means of ventilation. The ,reason, for this was of acoustic nature - many soldiers had complained about loud buzzing noises which were caused by resonsances. Many ,helmets, used in World War I had these hollow "horns" plugged with wood chips, dirt etc. to get rid of the ,noise, effects. A M16 steel ,helmet, A M18 steel ,helmet
The best motorcycle ,helmet, is light and gives a wide view. If you feel the ,helmet, is giving you a narrow view or it is heavy, there are varieties of best ,helmets, you can go to the shop and have the best one for yourself. This guide will help you understand the best ,reasons, why you must have your ,helmet, on whenever and wherever you ride.
24/2/2011, · The sales folks told us to look for ,helmets, with indentations built into the ,helmets, to accommodate headset ear pieces - which the Multitec has. There is room for your mic in front of your mouth - this can be a concern with a full face ,helmet,. I put the foam covers on the mics to help cut down wind ,noise, they still seemed to pick up.
Helmet noise, can either be the standard wind rush, or a whistle. It is always going to be a matter of airflow, as any ambient ,noise, (such as your own vehicle, other vehicles, etc.) won’t likely be as great of an issue. First, let’s take a look at a few factors that affect a ,helmet,’s ability to reduce ,noise,.
A motorcycle ,helmet, is a necessary safety feature for every rider and passenger on a motorcycle. Just like a seat belt in a car, a motorcycle ,helmet, protects a motorcycle rider and must meet the standards set by the U.S. Department of Transportation to be effective. There …
27/4/2020, · So depending on the ,noise, dampening capabilities of the motorcycle ,helmet,, the wind ,noise, can be reduced. To reduce this ,noise,, that is why you will need a quiet motorcycle ,helmet,. These types ,of helmets, are designed to dampen the wind ,noise, before it gets to your ears.
Wind ,noise, produced when riding a motorcycle can effect your hearing, but it may not impair your ability to hear important sounds. These are the findings of two University of Bath traffic psychology researchers, Dr Ian Walker and Michael Carley. Dr Carley, in particular, has presented many papers on ,helmet noise, and motorcycle aerodynamics.