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.
Address：No. 3888, Hutai Road, Baoshan District, Shanghai, China
Skate ,helmets, began as round smooth hard shell ,helmets, in the 1970's, and skateboarders cling to that ,shape, still. It is in fact the best ,shape, for hitting pavement at high speed. The shell is usually hard ABS plastic, and the interior foam can be EPS, EPP or a variation of those types.
The classic ,helmet shape, dates back to the early 1900s, when ,helmets, fabricated with leather and metal caught on with firefighters everywhere. The design was purposeful: a high dome to deflect falling objects and a wide brim to protect the firefighter from debris, water and burning embers.
All motorcycle ,helmets, have an oval ,shape, of one kind or another, and the exact ,helmet, type depends on how elongated the oval is. Round oval is the type most commonly associated with older ,helmet, designs, before a visor was common for eye protection, although a lot of modern choices have eye coverage as a modular design option
History. The evolution of heraldic ,helmet, shaped followed the evolution ,of helmet, design, especially jousting ,helmets,, from the 14th to 16th centuries. The armorials of the second half of the 13th century do not include ,helmets,. ,Helmets, are shown as integral part of coats of in the first half of the 14th century (Codex Manesse, Zürich armorial).These ,helmets, are still of the "great helm" type ...
² ,Helmets, are widely used as protection against sports -related concussions. The degree of concussion protection offered by a ,helmet, may be related to the fit between the ,helmet, and head. This paper presents the design of a prototype ,helmet, fitting recommendation system using ,shape, -based ,helmet, …
Different brands manufacture ,helmets, for different head ,shapes,. You might get a ,helmet, that’s based on your head size but might still receive one that is not for your head ,shape,. There are basically three types of head ,shapes,. A long-oval head ,shape, is long from front to back. Intermediate oval is right in between of long-oval and round oval.
For centuries, firefighters have worn ,helmets, to protect them from heat, cinders and falling objects. Although the ,shape, of most fire ,helmets, has changed little over the years, their composition has evolved from traditional leather to metals (including brass, nickel and aluminum), to composite ,helmets, constructed of lightweight polymers and other plastics.
These are my top six ,helmets, for round heads, and the first is the Arai Quantum-X Solid ,Helmet,, which is no surprise. I mean, Arai pays more attention to head ,shape, than anybody. The Quantum is not shy about being round, and if that’s not enough, they built five millimeters of peel away foam into the padding, so you can make this ,helmet, even rounder if need be.