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Safety helmet division of China Railway Tunnel administration

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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Safety helmet division of China Railway Tunnel administration
Should you replace motorcycle helmets after a crash ...
Should you replace motorcycle helmets after a crash ...

You must ,replace, your motorcycle ,helmet after, the crash or accident because the foam part ... idea because someone who has paid $400 or more dollars for a ,helmet, will not be able to hit ,the helmets, once more ,after, the crash. And also there is no ,need, to ... If it becomes necessary then get your ,helmet replaced,. How much ,impact, can a ...

How to know if a motorcycle helmet needs to be replaced ...
How to know if a motorcycle helmet needs to be replaced ...

Helmets in general need to be replaced 5 years after the date of manufacture ( NOT when you bought it) because of the natural deterioration of the materials that absorb the shock. If you have no idea when your helmet was made, check the inside of the helmet for details and get in touch with the seller or manufacturer if the seller isn't a biker store.

Replace Helmet After Concussion? - Ice Hockey Equipment ...
Replace Helmet After Concussion? - Ice Hockey Equipment ...

9/5/2011, · Although helmets certified by the Canadian Standards Association (CSA) or the Hockey Equipment Certification Council (HECC) can, according to the Canada Safety Council, withstand several impacts, a severe impact--and especially one that results in a crack- …

Motorcycle Helmet Replacement: How Long is a Motorcycle ...
Motorcycle Helmet Replacement: How Long is a Motorcycle ...

4/5/2018, · Helmets do wear out over time, but there is no evidence that a well-maintained, undamaged helmet will “suddenly” lose its protective ability at the five-year mark. As with anything, deterioration is gradual, and at the five year mark the consensus is that the average helmet, under average use, will likely need replacement.

Do you replace your helmet after a crash....?? - Moto ...
Do you replace your helmet after a crash....?? - Moto ...

28/3/2015, · Once crushed, it's done it's job and ,needs to be replaced,. With Shoei, the solution was a brand new $600+ ,helmet, all though the outside shell only had character scratches. With 6D, they have a inner-liner/foam ,replacement, program. So, I had the foam ,replaced, and ,the helmet, was good as new from a safety stand point.

When to replace your motorcycle helmet - Motorbike Writer
When to replace your motorcycle helmet - Motorbike Writer

23/8/2016, · The general rule is to replace your motorcycle helmet every five years, but what if you drop it, sweat heavily or wear it every day? The biggest myth is that if your helmet falls off your bike when it’s parked, you should change your helmet. That’s probably put around by helmet retailers.

How Often Should I Replace My Helmet? | Outside Online
How Often Should I Replace My Helmet? | Outside Online

While it might seem exorbitant to ,replace, a ,helmet after, every crash or every two to five seasons, remember a new ,helmet, is a lot less expensive than a trip to the emergency room. What You ,Need, to ...

Helmet Case Study - Materials Group
Helmet Case Study - Materials Group

Impact, resistance . The most important design consideration for ,helmets, is their ability to survive ,impacts,. These ,impacts, can vary from falling objects to head-on collisions. ,The helmet, lessens the ,impact, by absorbing energy - but it turns out that the best way of doing this, and the best materials, depends on the type of ,impact,. Hard Hats

What Should I Do With My Bicycle Helmet After a Crash ...
What Should I Do With My Bicycle Helmet After a Crash ...

In general, bicycle helmets will need to be replaced after a crash. Even if it still looks undamaged, the strength of the helmet may be compromised after taking the blow from the fall. Typically, helmets are made to withstand one crash and consequently, the components may be permanently damaged. You should inspect the bicycle helmet after crash to check for problems. What to Double Check

How to Tell When You Need to Replace Your Helmet | ACTIVE
How to Tell When You Need to Replace Your Helmet | ACTIVE

21/10/2019, · It's commonly accepted knowledge that cyclists should replace their helmet every three to five years. While this is a loose rule and depends on how much you ride and the condition of the helmet, it's a great starting point when determining if your helmet should be replaced.