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
Push the ,helmet, from side to side and back to front. If it shifts noticeably (one inch or more), you ,need, to adjust the fit. Choices in ,Helmet, Protection. A ,helmet,’s primary mission is to guard against head injuries from the impact force of falling off a bike, and established tests all measure a ,helmet,’s effectiveness at doing exactly that.
Football ,helmets, are designed to minimize the risk of player concussions and prevent such injuries as facial lacerations, bone fractures and tooth loss. Each component of a ,helmet, has a specific purpose in protecting a player's head. Maximum protection of a player's head relies on wearing the ,helmet, properly.
When choosing a bicycle ,helmet, you mainly want to look at three things. Fit, extra features you may be interested in and keeping cool. Okay, and a forth thing, looking cool. You also ,need, to have a budget, there’s no ,need, to spend tons on a ,helmet, for a casual commute. ,Helmet, price can go up to over £200 and start as low as £25.
The cap/,helmet, devices, which most people prefer because they’re easier to use, start at around $500. The good news is that your device will, hopefully, last you for awhile. Most laser caps, combs, etc. come with a manufacturer’s warranty and feature durable designs to ensure longevity.
Handy Table For ,Fan, Values. The following table ,does, lots of the math for you. All you ,need, to ,do, is calculate the square feet of a room and the table tells you the CFM for either a kitchen or bathroom. Square feet is easy. Just multiply the length of the room by the width. The table assumes a common 8-foot ceiling height.
16/10/2020, · The HC65M mounts to the NVG shroud of your ,helmet,. If you use the Nitecore rechargeable 18650 you ,do, not ,need, to remove the battery to recharge it. Simply unscrew the cover on the button side and a micro USB port is exposed. Plug the light into a USB power supply and you can recharge the battery inside. Final Thoughts On ,Helmet, Illumination
If you divide that by 750, you get the number, 6.32. This is telling you that you would ,need, 6.32 square feet of net free venting to properly ventilate all the air you are pulling in. To simplify this, you can only bring in as ,much, as you can take out. This is important because air, …
A minimum of one square foot of inlet area for every 300 CFM of HVI-Certified ,fan, capacity is required for proper ,fan, operation. Use only soffit vents as fresh-air intakes for powered attic ventilators. ,Do, not use gable vents because it's possible to draw rain and snow into the attic. Static attic ventilation
12/7/2016, · What is PWM regulation and how ,does, it work, we will explain in some of our upcoming articles, but in short, PWM allows you to automatically control the speed of the ,fan, based on cooling demand. Different EK-Vardar ,fan, models range from extremely quiet, at 1150rpm, to blistering 3000rpm (rpm labels are always expressed at 100% speed).
18/6/2019, · Calculate the total volume of your bathroom. This is done by multiplying your bathroom's floor area by the ceiling height. For example, a bathroom with a 90 square feet (8.4 square meters) floor area and a 9 ft (2.7 m) ceiling height has a total volume of 810 cubic feet (22.9 cubic meters).