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.
How to PS a helmet
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
One of the most important ,parts, of a ,helmet,, and the most recognisable is the outer shell. This is a fine layer that, as we’ve been saying at Motocard, can be ,made, of various materials: thermoplastic, fiberglass, tricomposite (where carbon fibre, fibreglass and aramid are …
The M1935 German ,Helmet,: The M1935 German ,helmet, was introduced in 1935, hence the name, M1935. Compared to a Transitional World War I German ,helmet,, the M1935 German ,helmet, was much lighter and more compact, and offered more comfort. The air vents were ,made, of separately inserted hollow steel rivets.
Parts, of a Coat of Arms and Crest. Formally known as an achievement, armorial achievement, or heraldic achievement, what is commonly referred to as a "coat of arms" consists ,of several parts,: the shield, the mantling, the helm, the wreath, charges, and the crest (note that not all arms have crests).
29/5/2014, · ,Helmet, Besides covering a spacewalker's head, ,the helmet, has a Vent Pad. This pad directs oxygen from the Primary Life Support Subsystem and Hard Upper Torso to the front of ,the helmet,. ,The helmet, keeps the oxygen at the right pressure around the head. The main part of ,the helmet, …
BMX ,helmets, (and a few older bicycle ,helmets,) can have composite hard shells, with layers of fiberglass or even kevlar fiber laid ,up, in an epoxy. ABS is molded, but Fiberglass shells are generally laid ,up, by hand. Straps ,Helmet, straps are generally ,made, of nylon or polypropylene.
Metal ,helmets, are conductive, a safety hazard as use of electricity became widespread, so a new ,helmet made, from a composite of cork and rubber was introduced in London and elsewhere from 1936. However, during World War II , military-style steel ,helmets, were adopted, similar to the Brodie ,helmet, used by the British Army , to improve protection during air raids.
The front of ,the helmet, protects your forehead with a firm foam designed to deflect direct forward hits. The foam around the jaw area is a bit softer for comfort, while still providing firm support. The rest of ,the helmet, provides ,several, layers of foam, including a spongy layer that rests against your head to ,make the helmet, more comfortable.
BMX ,helmets made, in the motorcycle style often have more complicated full interior liners that can be removed for cleaning. Assembly Assembling the ,parts, is the next step. This is normally hand labor, and for cost reasons probably well over half of the world's bicycle ,helmets, are ,made, …