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.
Service life of fire extinguisher protective clothing
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.
Professional team work and production line which can make nice quality in short time.
The professional team provides 24 * 7 after-sales service for you, which can help you solve any problems
Address：No. 3888, Hutai Road, Baoshan District, Shanghai, China
Let's examine ,the difference between, the two most popular eyeglasses options. Reading ,Glasses,. Reading ,glasses, are designed to treat presbyopia, which is a condition that most adults experience once they reach the age of 35 to 45. Presbyopia is caused by decreased elasticity in the eye's lens that makes objects difficult to see from close range.
The primary ,difference, in ,medical, and routine exams is often determined by insurance providers based on reasons (or a chief complaint) or the physician’s findings or diagnosis. A ,medical, exam includes diagnosis and treatment of an eye disease or malady (like glaucoma, conjunctivitis, or cataracts).
What is ,the difference between glasses, cloth and ,ordinary, cloth? The fibers of spectacle cloth are arranged closer than those of ,ordinary, cloth, and the material itself is softer than ,ordinary, cloth. ,Ordinary, fabric: It is only suitable for lightly wiping the mirror surface that has been cleaned.
For safety ,glasses, to achieve standard impact protection, the lens must survive, undamaged, when struck with a one-inch steel ball, dropped from fifty inches onto the unprotected lens. When testing for high-impact protection, a quarter-inch steel ball is fired at the lens at 150 feet per second.
Ordinary, cloth is even soft, and dust particles in the air for a long time will be embedded in the fabric of the interfiber space, and the cloth ,glasses, are exaggerated like sandpaper. Professional ,glasses, cloth is much better in this regard, but also pay attention to regular cleaning. Features. 1. Extend the life of the ,glasses,…
Unlike bifocal ,glasses, lenses, varifocal ,glasses, (or multifocal ,glasses,) change prescription seamlessly throughout the lens – there is no definitive line ,between, them like bifocals or trifocals. Instead, they progressively change lens powers from top to bottom, ensuring seamless transition for whatever prescription is necessary.
What is ,the difference between, regular lenses and frames and those that are safety-rated? The safety lenses are break-proof plastic lenses that protect eyes from flying debris and other risks. Safety frames are more durable and sturdy than regular frames, are made of different shatter-resistant materials, and may include shields on the sides, depending on your specific application.
Safety ,Goggles,: Types and Uses. Direct vented ,goggles, allow the direct flow of air into the ,goggle,. The openings in the vented portion of the ,goggles, exclude spherical objects that are 0.06 inches (1.5 millimeters) in diameter or greater.
21/12/2007, · What's ,the difference between, reading ,glasses, and ,ordinary, eyeglasses? You can buy reading ,glasses, cheap, without a prescription. You only have to know a single number, such as 1.75 or 3.50, indicating how powerful the reading ,glasses, should be, according to how bad your eyesight is.
3/11/2020, · This makes the ,glasses, wearable by all kinds of users and different types of environments. Among the people who can wear and benefit from anti-fog safety ,glasses, are those living in places with cold climates, motorcyclists, athletes, people who love or are active in sports, runners, ,and medical, professionals, like nurses and doctors.