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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

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

Professional team work and production line which can make nice quality in short time.

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

The professional team provides 24 * 7 after-sales service for you, which can help you solve any problems

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plugshare los angeles
How Bicycle Helmets are Tested
How Bicycle Helmets are Tested

The testing to certify a ,helmet, to the US Consumer Product ,Safety, Commission's standard for bicycle ,helmets, can be described in six ... about the shape of a grapefruit, is used with a 1.2 meter drop. (The point load makes it a severe ,test,.) The ,helmet, and headform are traveling 11 mph at impact. The hazard or curbstone anvil is rounded like the ...

How football helmet is made - material manufacture ...
How football helmet is made - material manufacture ...

The ,material, used for the ,helmet, shell must meet the approved standard guidelines created by the NOCSAE. All incoming raw ,materials, that are to be used in the manufacture of football ,helmets, are subject to inspection. Once the ,helmets, have been produced, three out of every ...

Gutter Materials | Gutter Helmet
Gutter Materials | Gutter Helmet

Aluminum gutters, steel gutters, copper gutters, zinc gutters. In a nutshell, those are your choices of ,material,. These four metals divide very neatly between the two markets: alumin/about-gutters/um and steel are common for retrofit gutter installations, while copper and zinc are exclusively for the custom home gutters market.

A Skateboard Helmet Vs. A Bike Helmet | Scooterlay
A Skateboard Helmet Vs. A Bike Helmet | Scooterlay

A bike ,helmet, varies according to ,materials, and design. As it bikers are less expected to be crashed than skateboarders, bike ,helmets, are designed with less resilient ,material, and thinner, but harder foam compared to the skateboard ,helmet,.

Consumer Testing of Bicycle Helmets
Consumer Testing of Bicycle Helmets

on the upper part of the ,helmet,. 6.0 m/s 45° A ,test, that simulates an actual cyclist‐vehicle‐crash or a single bicycle crash. Rotation around X‐axis. Oblique impact B. Contact point on the side of the ,helmet,. 6.0 m/s 45° A ,test, that simulates an actual cyclist‐vehicle‐crash or a

What's a helmet made of?
What's a helmet made of?

Inside the shell, all ,helmets, contain a thick layer of expanded polystyrene, so-called EPS, which is a ,material, that can absorb impact energy by irreversibly compressing itself. The black gold of ,helmets, . Carbon fiber is the most sought-after and valuable ,material, and offers unbeatable properties.

What was the transparent material used as the 'glass' in ...
What was the transparent material used as the 'glass' in ...

Polycarbonate, the same stuff used for low grade greenhouse glass and cockpit canopies since the 1940’s. Thanks Roger Rudoff for pointing out that those WWII aircraft used Acylic. Polycarbonates didn’t become available until a decade after the war...

Gutter Materials | Gutter Helmet
Gutter Materials | Gutter Helmet

Aluminum gutters, steel gutters, copper gutters, zinc gutters. In a nutshell, those are your choices of ,material,. These four metals divide very neatly between the two markets: alumin/about-gutters/um and steel are common for retrofit gutter installations, while copper and zinc are exclusively for the custom home gutters market.

What material is used for the helmet? - Knowledge - Odin ...
What material is used for the helmet? - Knowledge - Odin ...

Helmet material, The outer shell ,of the helmet, is the outermost layer ,of the helmet,. It bears and disperses the impact during impact, so the selection of the outer shell ,material, is very important. Mainly polycarbonate ,materials, (PC), PC / ABS alloy ,materials,, carbon fiber ,materials,, fiberglass ,materials,, etc., polycarbonate (PC) and PC / ABS plastic alloys, the two most commonly used ,materials,.

How Bicycle Helmets are Made
How Bicycle Helmets are Made

Those techniques are proprietary secrets. Manufacturers use a variety of ,materials, such as nylon, polypropylene or even metal or metal mesh for reinforcement. The first bicycle ,helmet, to use this technique was the ProTec Mirage, a late 1980's model, and it used a nylon mesh.

Ski Helmets Guide - Ski Equipment - Mechanics of Skiing
Ski Helmets Guide - Ski Equipment - Mechanics of Skiing

All ski ,helmets, have a strap that goes under the chin to both hold the ,helmet, firmly on your head, and to make sure the ,helmet, stays on your head in the case of a crash. The straps can be adjusted to the right length so that the ,helmet, is comfortable, and the 2 ends are locked together by a buckle.

The 10 Best (And Safest) Horse Riding Helmets - Horsy Planet
The 10 Best (And Safest) Horse Riding Helmets - Horsy Planet

A riding ,helmet, is only going to protect you if it’s a snug fit, which is why having a perfect fit as important as the ,material, of the horse riding ,helmet,. A huge reason why hand-me-down ,helmets, are a big no is because they may not fit to perfection. You can’t grow into your ,helmet,, nor can you squeeze yourself in, it’s perilous to do so.

The Difference of Safety Helmet Testing as the Standard of ...
The Difference of Safety Helmet Testing as the Standard of ...

No chin pad •While wearing the ,safety helmet,, the retention system and adjustable devices must be under the jawbone or lower than the reference level of head ,test, in vertical axis at least 130 mm •If the retention system has double D ring or is the slide bar typed, after fastening, the end of strap must be free from another for adjustment •The retention system with slide bar typed and ...

What is the origin of the blue helmets worn by UN ...
What is the origin of the blue helmets worn by UN ...

19/9/2018, · A UN-blue beret seemed to be the answer, but it was impossible to procure enough berets in time. American plastic ,helmet,-liners, however, were available in quantity in Europe, and were ready, spray-painted UN blue, in time for the first UNEF detachments to wear on their entry into Egypt" (Urquhart, p. 269).

CRASH - Test results
CRASH - Test results

Key to Crash ,Test, Results The more stars, the better a ,helmet, performed in protecting the wearer from injury in a crash - out of 5. 1 star = Meets AS/NZ 1698 or UNECE 22.05, 2 stars = Average, 3 stars = Above average, 4 stars = Good, 5 stars = Excellent

safety helmet testing | HSE India
safety helmet testing | HSE India

17/9/2020, · ,Test, for Strength of Chin Strap. Using S hook, 10 kg load is applied on chin strap. It should not break after 10min. Shock Absorption ,Test,. ,Helmet, should be subjected for at a temperature for 50 o c in oven for four hours and -10 0 c for four hours in refrigerator and finally to flow of water at a rate of 1 L/min for four hours at room temperature.