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.
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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
1/2/2018, · Stand-off distances, which was defined as the ,distance between, the ,inner, side of the ,helmet, and the outer surface of the headform/clay, were adjusted according to experimental values. The stand-off distances were as follows: front, 22.5 mm; back, 21.8 mm; left and right, 25.6 mm in the experiment .
Mail aventail was protecting neck and shoulders of warrior. This battle steel helm has a dome, typical for medieval basinet and supplied with bar grill visor. ,Distance between, rods is 1.8-2.0 mm that is totally compliant to SCA-standards. Visor is attached to the ,top, of ,helmet, with hinge.
The seat tube angle refers to the angle of the seat tube in relation to the ground. An easy way to think of this is to measure the seat tube angle against an imaginary straight line ,between, the front and rear dropouts. The seat tube angle doesn't change as much as the head tube angle, generally sitting ,between, 71-74 degrees regardless of the chosen discipline.
4/5/2018, · A very strong outer ,body, and an ,inner, membrane of anti-shock rubber for total protection of your smartphone. The support bracket with safety closure with 360º adjustability allows optimal positioning of your device. All functions of the mobile phone can be activated from the case, including the use of the touch screen.
EN 397:2012+A1:2012 (E) 7 3.11 wearing height vertical ,distance, from the lower edge of the headband to the highest point of the headform on which the ,helmet, is mounted, measured at the front (midway ,between, the sides of the headform) and at the sides (midway ,between, the front and back of the headform), whichever gives the greater ,distance, 3.12 external vertical ,distance, vertical ,distance, ...
When making any ,helmet, there are key measurements needed to create a custom fit. They are; - Circumference - The ,distance, around the widest part of the head. - Diameter: The width of the head. - Height - Depth from to back, including and excluding nose - Eyes - Width and height of each eye as well as ,distance between, the eyes.
Two coordinate systems were introduced. First, a ,helmet, coordinate system with an x‐y‐plane, which is coplanar to the A‐A’ plane (blue coordinate system in Fig. 2). The coordinate z passes through the point with the largest depth (,distance, A‐A’ plane to ,inner, foam liner).
inner, energy absorbing liner. ... Left photograph shows view of a ,top, of ,helmet, and the the ... defined as the ,distance between, interior surface of the energy absorbing liner and the exterior surface of the shell, was measured across the impact side of each ,helmet, a nominal 2xon 2cm grid using a digital height gage (Series 192, ...
1/9/2020, · If you anticipate that many people will be wearing ,helmets,, wear the best ,helmet, you can get your hands on, such as a tactical bump ,helmet, or ballistic ,helmet,. Some Options High-end: Level IIIA ballistic ,helmet,, such as the $500 Hard-Headed Veterans ATE, or a discount Chinese-made model that is still tested to a high standard, such as the $200 LongFri model.
The ,top, coil is the single coil and the lower coil is the halo coil. The diameter of the single coil is 90 mm and it has 14 turns. The diameter of the halo coil is 290 mm and it has 5 turns. The ,distance between, the single coil and the ,top, of the head is 5 mm. The ,distance between, the single coil and the halo coil is …