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.
Safety helmet marking design

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..

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..

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








Distance between, the I 2T tubes is greater than IPD. An observer fixating a targ et at ,distance, D must converge as though the target was located at ,distance, d. d is the perceived ,distance, of the target in the scene. Developmental flight testing of such systems essentially took place in US, UK, Germany and France. On the whole,

M = Width of ,head, as measured through the mouth (measured straight as if in a picture) S = ,Distance, from center of eyes to the bottom rear of skull measured over ,head, (curving) T = ,Distance, from point of left tragus to point of right tragus going over the ,head, (curving) The 9 ratios we will calculate are: B/H = Top of ,Head, %

During cold weather months, workers may add a thin layer between the ,helmet, and the head. However, not just any beanie or knitted cap will do. OSHA recommends that users wear only specially designed hard hat ,liners,. Such garments are engineered to fit securely without degrading the functionality of the work ,helmet,.

10/10/2011, · The outside of the liner on the wool section of it will have two cut slits for slipping the prongs into, the go in only so far, they will not go out into the inside portion of the liner, then you will have to bend the prongs slightly back to the inside of the helmet …

The ,distance between, eyebrow and ,helmet, leading edge, as well as the slack in the chin strap were established. Further, it was recorded whether the ,helmet, was worn straight with properly adjusted chin straps. Experimental Study An enhanced ,helmet,-testing concept was established based on literature reviews, habitual and video study

The ,helmet, is made to measure for each pilot because it has to fit perfectly to ensure the weight is distributed evenly. The pilot's ,head, is scanned with a laser for size and shape and a 3D model of the is then developed along. Other measurements taken include the ,distance between, the eyes.

The ,human head, proportions in profile view. When marking the ,human head, proportions, remember the following rules. The eye line divides the height of the ,head, exactly in half. The distances ,between, the hairline, the eyebrow line, the base of the nose, and the bottom edge of the chin are equal.

Stretch the helmet cover over the helmet, ensuring the wings go either side of the chinstrap fittings. Put the scrim band around the cover and over the helmet. Push it down to the base of the helmet. Use the scrim band to hold the helmet cover in place while you are stretching it over the helmet. Once the cover is in place turn the helmet upside down.

Many squadrons keep ,helmets, on hand with this type of ,liner, for training use and other occasional users. The PRK-40 ,liner, is made of non-melting styrene. It comes in 2 pieces to allow ,installation, in the ,helmet, …

24/6/2009, · The ,liner, band was such a tight fit that i could barely get my fingers in there, and in the end i had to get assistance from my girlfriend If you got a cramp tool, put some cloth around the ,helmet, and use that. It will help a great deal as the ,helmet, won't float around while trying to attach the ,liner,.