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.
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
24 / 7 guaranteed service
The professional team provides 24 * 7 after-sales service for you, which can help you solve any problems
What Is The Difference Between Goggles And Protective Masks?
The biggest ,difference between, protective glasses and protective screens is that protective glasses can only protect the eyes, and protective masks can protect the entire head of the human body. Now the epidemic is spreading all over the world, especially the first-line medical staff need good protective clothing and protective glasses, if necessary, please contact us.Get Price Send E-mail
How To understand and choose between the different types ...
4/2/2015, · Type 3 Swedish Type ,Goggles,. Swedish aka “Swedes” (like Godfrey googles from the 1960’s & 70’s) are sometimes also called competition or racing ,goggles,, though other Types are also worn in competition, most commonly Type 2. However the lack of any soft sealing gasket moves them into a separate category. The lens and frame are all one single hard plastic piece and are quite small when …Get Price Send E-mail
What Is the Difference Between Polarized & UV Sunglasses ...
30/9/2017, · According to Mayo Clinic ophthalmologist Dennis Robertson, M.D., it is important to protect your eyes from the sun's ultraviolet (UV) rays. UV exposure can …Get Price Send E-mail
Difference Between Goggles and Glasses | Compare the ...
26/1/2013, · ,Difference Between Goggles, and Glasses. January 26, 2013 Posted by Admin. ,Goggles, vs Glasses . Many of us wear glasses to help us in seeing the world around us in a better manner as we have a poor vision. There are many other words for equipment worn on eyes such as ,goggles,, sunglasses, spectacles, specs, etc. that are used by people.Get Price Send E-mail
Linear Polarizer vs Circular Polarizer: What's the difference?
A question we often get is: "Should I purchase a linear polarizer or a circular polarizer?, what's ,the difference,?" The short answer is that both Linear and Circular ,Polarizers, do the same thing. The actual polarization effects such as reducing reflections on glass surfaces, increasing color saturation in foliage, darkening a blue sky are the same with both Linear and Circular ,polarizers,.Get Price Send E-mail
What is the difference between polarized and gradient ...
Before you purchase a new pair of shades, let’s explore the key ,differences between, polarized and gradient sunglasses, and which option will suit you best. Polarized vs. gradient lenses Polarized and gradient lenses both offer plenty of benefits, but there are instances in which you’ll definitely want to reach for one over the other.Get Price Send E-mail
ND Filter vs Polarizer: What’s the Difference?
Polarizers, or polarizing filters work in a similar way, but ,the difference, is that they selectively let light waves of a certain polarization pass through. This effect helps create more vivid colors in an image, as well as manage glare and reflections from water surfaces.Get Price Send E-mail
Polarized sunglasses: See how they reduce glare
Polarized sunglasses always have been very popular among people who spend a lot of time near water. And for good reason — polarized lenses block glare from light reflecting off the surface of the water better than any other types of sunglass lenses.Get Price Send E-mail
Polarized vs Non-polarized ski goggles - NASIOC
10/8/2011, · I was in a ski shop today and wanted to pick a pair of ski/snowboard ,goggles,. I know how the polarized lens cuts down reflections and increases the contrast, so I wanted to get that. The salesperson at the store told me that the polarized ,goggles, were great, but you can't see ice in them.Get Price Send E-mail
Polarizer Selection Guide | Edmund Optics
The extinction performance of a linear polarizer is often expressed as 1 / ρ p: 1.This parameter ranges from less than 100:1 for economical sheet ,polarizers, to 10 6:1 for high quality birefringent crystalline ,polarizers,.The extinction ratio typically varies with wavelength and incident angle and must be evaluated along with other factors like cost, size, and polarized transmission for a given ...Get Price Send E-mail