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Home > three stages of labor

three stages of labor

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

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

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 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

24 / 7 guaranteed service

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

Certificate of honor


CONTACT USCustomer satisfaction is our first goal!

Consultation hotline:0086-15900663312

Address:No. 3888, Hutai Road, Baoshan District, Shanghai, China

three stages of labor

Modular Motorcycle Helmets Vs. Full Face: How to Choose

Modular Motorcycle Helmets Vs. Full Face: How to Choose

29/6/2016, · Modern ,helmet, designs, such as the DK-120 by Duke ,Helmets,, include ventilation points to allow the circulation of fresh air into the ,helmet,. To top it off, many full face ,helmets, come standard with removable liners and cheek pads, and are being constructed out of lighter weight materials so they don't put undue stress on the head and neck.

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ABS vs Polycarbonate: Which Helmet Shell Material Is Better?

ABS vs Polycarbonate: Which Helmet Shell Material Is Better?

5/1/2020, · There are many different materials ,helmets, can be made out of. But the two most common shell materials for folding bike ,helmets, are ABS and polycarbonate. Which one is ,better,? It depends. On a high level, polycarbonate is more expensive, flexible, softer, and lighter. Conversely, ABS is much cheaper, as well as harder, heavier, and …

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Polycarbonate vs Fiberglass vs Carbon ... - Champion Helmets

Polycarbonate vs Fiberglass vs Carbon ... - Champion Helmets

20/3/2020, · Polycarbonate vs Fiberglass vs Carbon Fiber Safety. As far as safety goes, all 3 materials will be safe. A thermoplastic or polycarbonate ,motorcycle helmet, like, for example, the Shark Evo-One 2 can get to the 4-5 star range from SHARP just as well as any other fiberglass or carbon fiber ,motorcycle helmet,.

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Helmets Collection Ducati

Helmets Collection Ducati

Designed and tested for off-road use, the Explorer ,helmet, features an ScLc (Super complex Laminate construction) shell, which makes it 40% ,stronger, than standard fiberglass in terms of flexural ,strength, and extension, making it extremely lightweight.

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What Are The Different Types Of Motorcycle Helmets?

What Are The Different Types Of Motorcycle Helmets?

Half Shell ,Helmets,. From l to r: Skid Lid Original Bomber Pinup Half ,Helmet,, Cyber ,Helmets, Solid Style Half Shell ,Helmet,, and Speed & ,Strength, Solid Speed ,Helmet,. Because half shells let you see the sights, hear the sounds, and smell the aromas ,better, than any other type ,of helmet,, they're valued by riders of vintage classics and cruiser bikes.

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A Simple Guide to Motorcycle Helmet Ratings

A Simple Guide to Motorcycle Helmet Ratings

ECE ,helmets,, or ,helmets, approved by the Economic Commission for Europe, are put through more thorough tests than DOT rated ,helmets, and it’s the minimum standard 50-plus European countries will allow for road-legal ,motorcycle helmets,. In ECE tests, third-party labs unleash a much more stringent test on ,helmets, than DOT certification.

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Why Are Fire Helmets Shaped That Way? A Brief History ...

Why Are Fire Helmets Shaped That Way? A Brief History ...

The modern ,helmet, isn’t quite as tall as the traditional ,helmet, because the material used is ,better, and there’s enough ,strength, in the ,helmet, without the height. You’ll also find that there are some small additions such as earflaps, a cloth head grip, eye shields/visors, etc. but overall, the modern ,helmet, is very similar to the original design.

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Modular Motorcycle Helmets Vs. Full Face: How to Choose

Modular Motorcycle Helmets Vs. Full Face: How to Choose

29/6/2016, · Modern ,helmet, designs, such as the DK-120 by Duke ,Helmets,, include ventilation points to allow the circulation of fresh air into the ,helmet,. To top it off, many full face ,helmets, come standard with removable liners and cheek pads, and are being constructed out of lighter weight materials so they don't put undue stress on the head and neck.

Get Price
Top 10 Best Motorcycle Helmets in the Philippines 2020 ...

Top 10 Best Motorcycle Helmets in the Philippines 2020 ...

This is why the ,Motorcycle Helmet, Law of 2009 must be strictly observed. Wearing a ,motorcycle helmet, lessens the risk of head injury in case of road accidents and it also filters out dust or debris to get into the driver's eyes. Modern ,helmets, have an aerodynamic design – a smooth surface for ,better, air ventilation and less air friction.

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The 5 Best Full-Face Motorcycle Helmets With Bluetooth

The 5 Best Full-Face Motorcycle Helmets With Bluetooth

Helmet, Certification. The ,helmet, has both a D.O.T and an ECE certification. Which means that the ,helmet,’s standard of safety is so high that it meets those set by most racing organizations. ,Helmet, Design. The shell is composed of industrial grade carbon-fibre- a fiber widely renowned for its high stiffness, high tensile ,strength, and low weight.

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French First World War helmet better protection than ...

French First World War helmet better protection than ...

A ,helmet, used by French soldiers in the First World War provided ,better, protection from overhead blasts than a modern American model, according to a U.S. university study.

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3 Best Carbon Fiber Motorcycle Helmets - Helmet Hunt

3 Best Carbon Fiber Motorcycle Helmets - Helmet Hunt

Carbon fiber dot ,helmets, are ,better, at absorbing the force of an impact than ,helmets, made of other materials. Sharp objects are also less likely to penetrate carbon fiber ,helmet, shells. Some manufacturers combine carbon fiber with other materials like Kevlar to produce ,stronger, and lighter ,helmets,.

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Best Motorcycle Helmets [2019 Guide] - Badass Helmet Store

Best Motorcycle Helmets [2019 Guide] - Badass Helmet Store

We Picked The Best ,Motorcycle Helmets, for 2019 At Badass ,Helmet, Store we understand that what works for one rider won't work for another. We also know that some riders want the ultimate protection when it comes to a ,motorcycle helmet, while others prefer to look good above all else.

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A Simple Guide to Motorcycle Helmet Ratings

A Simple Guide to Motorcycle Helmet Ratings

ECE ,helmets,, or ,helmets, approved by the Economic Commission for Europe, are put through more thorough tests than DOT rated ,helmets, and it’s the minimum standard 50-plus European countries will allow for road-legal ,motorcycle helmets,. In ECE tests, third-party labs unleash a much more stringent test on ,helmets, than DOT certification.

Get Price
Best Motorcycle Helmets [2019 Guide] - Badass Helmet Store

Best Motorcycle Helmets [2019 Guide] - Badass Helmet Store

We Picked The Best ,Motorcycle Helmets, for 2019 At Badass ,Helmet, Store we understand that what works for one rider won't work for another. We also know that some riders want the ultimate protection when it comes to a ,motorcycle helmet, while others prefer to look good above all else.

Get Price