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.
sport team hard hats
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
The materials of the ,helmet, must absorb what Miller calls the “deformation” of the ,helmet, when it is ,hit, by the ball – the dent it makes on impact – and settle back into place once the ball ,has, rebounded. “The 10mph gap sounds no big deal, but at those paces it adds a lot of force.”
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.
There ,has been, extraordinary improvements of ,helmets, from the old leather to the modernized-plastic football ,helmets, along with the face mask and energy- absorbent padding. In addition, the concern over preventing concussions, ,have, led to ,helmet, changes, impact testing methods and reconstruction of injuries during play helping to provide insight on concussions(4).
The Brodie ,helmet, is a steel combat ,helmet, designed and patented in London in 1915 by John Leopold Brodie. A modified form of it became the ,Helmet,, Steel, Mark I in Britain and the M1917 ,Helmet, in the U.S. Colloquially, it was called the shrapnel ,helmet,, battle bowler, Tommy ,helmet,, tin hat, and in the United States the doughboy ,helmet,.It was also known as the dishpan hat, tin pan hat ...