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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

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

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CONTACT USCustomer satisfaction is our first goal!

Consultation hotline:0086-15900663312

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

helmet clipart png

Hard Hat Requirements | OSHA & ANSI Standards | Graphic ...

Hard Hat Requirements | OSHA & ANSI Standards | Graphic ...

Two arrows curving to form a circle when the ,helmet, can be worn forwards or backwards; LT – When the ,helmet, is designed to provide protection at low temperatures 22 °F (-30 °C). HV – When the ,helmet, meets all requirements for high visibility. Instructions for care and use must accompany, but do not need to be included on, the hard hat.

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Impact Force from Falling Object - Georgia State University

Impact Force from Falling Object - Georgia State University

Note that the above calculation of ,impact force, is accurate only if the height h includes the stopping distance, since the process of penetration is further decreasing its gravitational potential energy.. The average ,impact force, calculated here is the average over distance, which can be presumed to be proportional to, but not the same as, the average over time.

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10 Best Karting Helmets in 2020 | GoKartGuide

10 Best Karting Helmets in 2020 | GoKartGuide

The Bell K1 Pro Circuit Brus ,Helmet, is an extremely high-quality racing ,helmet, that is suitable for professional go-,kart, racing and comes in a close second place. I’s available in 6 different sizes and 4 different color selections: matte black, white, circuit blue & circuit red graphics. This ,karting helmet, is made of very light composite material making it ideal for racing go-,karts, on the ...

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NEW Impact Cap for MSA Cairns 1010/1044 Fire Helmets

NEW Impact Cap for MSA Cairns 1010/1044 Fire Helmets

• Provides a deep, stable fit while allowing enough crown clearance for ,maximum impact, protection • Standard in 6-point configuration MSA Cairns 1010/1044 Traditional Fire ,Helmets, 2 Offers the most comprehensive ,impact, and thermal head protection system, from top to bottom. q w e r t With MSA Cairns, You Get More than You Pay For: 10-Year ...

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New helmet significantly reduces forces to neck during ...

New helmet significantly reduces forces to neck during ...

University of British Columbia researchers have invented a sports ,helmet, that reduces direct ,impact, to the neck by up to 56 per cent, according to

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Spring force - Physics? | Yahoo Answers

Spring force - Physics? | Yahoo Answers

24/10/2007, · The ,force, on an ideal, Hooke's Law spring is kx, where k is the spring constant and x the distance from the equilibrium point. The work is found by integrating this to get 1/2 kx^2. This means the work done is 1/2*3.1*18^2 = 502.2 ,N,-cm = -5.022 Joules. [Negative because the ,force, is in the opposite direction as the motion.]

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Spring force - Physics? | Yahoo Answers

Spring force - Physics? | Yahoo Answers

24/10/2007, · The ,force, on an ideal, Hooke's Law spring is kx, where k is the spring constant and x the distance from the equilibrium point. The work is found by integrating this to get 1/2 kx^2. This means the work done is 1/2*3.1*18^2 = 502.2 ,N,-cm = -5.022 Joules. [Negative because the ,force, is in the opposite direction as the motion.]

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Twelve Frequent Hard Hat Questions -- Occupational Health ...

Twelve Frequent Hard Hat Questions -- Occupational Health ...

1/7/2014, · Type 1.ANSI: ,Helmets, are intended to reduce the ,force, of ,impact, from a blow only to the top of the head; CSA: Headwear that provides ,impact, and penetration protection for the crown (area over the ...

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How many Newtons of force would kill a person? | Physics ...

How many Newtons of force would kill a person? | Physics ...

1/5/2011, · ,Force, does come into play in the sense that a high ,impact force, is needed for a small object to penetrate skin and bone. To dispel the notion that ,force, is the critical factor, consider the needle yielded by a nurse in a doctors office. The ,impact force, of this needle is incredibly high. Unless the nurse pokes your jugular the needle won't kill.

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GameBreaker Pro Soft Shell Sports Helmet with D30 Maximum ...

GameBreaker Pro Soft Shell Sports Helmet with D30 Maximum ...

The GameBreaker Pro Soft Shell Sports ,Helmet, incorporates the innovative ,impact, absorption of D30 technology coupled with the finest EVA rubber foam for a ,helmet, that provides ,maximum, all-angle ,impact, protection with a lightweight feel that is perfect for any application from daily use to high-,impact, sports.

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Best Karting Helmets for Youths Kids & Adults // KartRight

Best Karting Helmets for Youths Kids & Adults // KartRight

Safety, is an important feature to consider when driving or riding in a go ,kart,. The majority of go ,karts, feature numerous design features that promotes ,safety, but the use of a ,helmet, is recommended at all times, whether a regular ,karting, or racing ,helmet,, there are plenty of options to choose from. Our current ratings for the best ,karting helmets,:

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If the speed at impact is doubled what is the maximum ...

If the speed at impact is doubled what is the maximum ...

24/2/2013, · Work = ,Force, * distance, ,Force, = weight = 0.5 * 9.8. Distance = 0.14 m. Work = 0.2 * 9.8 * 0.14 = 0.2744 J ,N,* m. The work is done on the block by the gravitational ,force, is equal to the decrease of the potential energy of the block! J (b) What work is done on the block by the spring ,force, while the spring is being compressed?

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Twelve Frequent Hard Hat Questions -- Occupational Health ...

Twelve Frequent Hard Hat Questions -- Occupational Health ...

1/7/2014, · Type 1.ANSI: ,Helmets, are intended to reduce the ,force, of ,impact, from a blow only to the top of the head; CSA: Headwear that provides ,impact, and penetration protection for the crown (area over the ...

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New 2020 Motorcycle Helmet Safety Regulations | BeMoto

New 2020 Motorcycle Helmet Safety Regulations | BeMoto

The ,impact, tests – where ,helmets, are dropped onto hard test surfaces, and the transmitted ,force, measured inside a dummy test ‘head’ – are being expanded in several ways. The ,maximum impact, velocity is going up, from 7.5m/s to 8.2m/s, and there will also be a slow-speed ,impact, test.

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Name: Forces Questions 3 - VBIOLOGY

Name: Forces Questions 3 - VBIOLOGY

This reduces the ,impact force, on the athlete as the heel of the running shoe hits the ground. The bar chart shows the ,maximum impact force, for three different makes of running ... a ,maximum force, of 240 kN. Calculate the ,maximum, acceleration of the aircraft.

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How many Newtons of force would kill a person? | Physics ...

How many Newtons of force would kill a person? | Physics ...

1/5/2011, · ,Force, does come into play in the sense that a high ,impact force, is needed for a small object to penetrate skin and bone. To dispel the notion that ,force, is the critical factor, consider the needle yielded by a nurse in a doctors office. The ,impact force, of this needle is incredibly high. Unless the nurse pokes your jugular the needle won't kill.

Get Price
Hard Hat Requirements | OSHA & ANSI Standards | Graphic ...

Hard Hat Requirements | OSHA & ANSI Standards | Graphic ...

Two arrows curving to form a circle when the ,helmet, can be worn forwards or backwards; LT – When the ,helmet, is designed to provide protection at low temperatures 22 °F (-30 °C). HV – When the ,helmet, meets all requirements for high visibility. Instructions for care and use must accompany, but do not need to be included on, the hard hat.

Get Price
NEW Impact Cap for MSA Cairns 1010/1044 Fire Helmets

NEW Impact Cap for MSA Cairns 1010/1044 Fire Helmets

• Provides a deep, stable fit while allowing enough crown clearance for ,maximum impact, protection • Standard in 6-point configuration MSA Cairns 1010/1044 Traditional Fire ,Helmets, 2 Offers the most comprehensive ,impact, and thermal head protection system, from top to bottom. q w e r t With MSA Cairns, You Get More than You Pay For: 10-Year ...

Get Price