Chat
Online
Inquiry
Home > China construction safety helmet production base

China construction safety helmet production base

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.

Why Choose Us
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

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..

24 / 7 guaranteed service

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

Certificate of Honor
Get in touch with usCustomer satisfaction is our first goal!
Email us
— We will confidentially process your data and will not pass it on to a third party.
China construction safety helmet production base
7 Best Earmuffs for Sleeping | Cover Your Ears & Cancel ...
7 Best Earmuffs for Sleeping | Cover Your Ears & Cancel ...

29/7/2020, · Some people like to use ,earplugs, to block out noise while sleeping. In my opinion, a pair of high-quality ,earmuffs, is a much better option than plugs because they feel more comfortable. Besides, it’s not easy to lose a pair of ,earmuffs,, while plugs are small and impractical in that regard.

Earmuffs VS Earplugs: Best Option For Ear Protection ...
Earmuffs VS Earplugs: Best Option For Ear Protection ...

The ,sound, from other recreational activities like music concert though does not exceed the safe limit by a high value, but that doesn’t mean it is safe either. So, wearing an ,earplug, or ,earmuff, can provide protection up to 5-15 decibels which cover almost all of the fields mentioned above. ,Earmuffs, VS ,Earplugs

The Best Ear Plugs of 2020 [Real Testing]
The Best Ear Plugs of 2020 [Real Testing]

16/3/2020, · O ur collective experience as professional musicians, frequent travelers and avid music fans who have worn countless ,earplugs, over the years informed our tests and ratings to determine the best ,earplugs, for the casual consumer. We tested the 12 top plugs on the market over the course of three weeks, putting each pair through a series of critical tests, and determined that Moldex – Pura-Fit ...

health - Why can't wearing both ear muffs (whether passive ...
health - Why can't wearing both ear muffs (whether passive ...

Using both ,ear muffs, (whether passive or active) and ,earplugs, simultaneously results in maximum protection, but the efficacy of such combined protection relative to preventing permanent ear damage is inconclusive, with evidence indicating that a combined noise reduction ratio (NRR) of only 36 dB (C-weighted) is the maximum possible using ,ear muffs, and ,earplugs, simultaneously, equating to only ...

PU Earplugs - Eastragon Manufacturing Professional Noise ...
PU Earplugs - Eastragon Manufacturing Professional Noise ...

PU ,earplug, service life. Generally normal PU ,earplugs, have the characteristics of slow rebound. In order to have a better ,sound insulation effect,, the number of pores in PU ,earplugs, is far more than that of silicone ,earplugs,, which also causes the pores to easily hide bacteria.Generally, it …

The combined sound attenuation of earplugs and earmuffs ...
The combined sound attenuation of earplugs and earmuffs ...

1/1/1992, · Such discrepancies have been explained in terms of the mechanical coupling or interaction of the two HPDs at low frequencies.4 The combined ,sound, attenuation ,of earplugs and earmuffs, 29 6 CONCLUSIONS The results of this experiment demonstrate that the combined attenuation of a muff and plug falls short of the sum of the attenuations observed for the individual components.

Is the soundproof earplug useful?-SUNLAND
Is the soundproof earplug useful?-SUNLAND

One way to ensure the ,effect, of the soundproof ,earplugs, is to wear the anti-noise ,earplugs, in close contact with the outer ear of the person to prevent ,sound, from entering the middle and inner ears from the gap between the soundproof ,earplugs, and the outer ear. ,Good, products have an average ,sound insulation, value between 36-40 decibels in ...

Hearing Protectors : OSH Answers
Hearing Protectors : OSH Answers

Ear plugs, are inserted in the ear canal. They may be premolded (preformed) or moldable (foam ,ear plugs,). Disposable, reusable or custom molded ,ear plugs, are available. Semi-insert ,ear plugs, which consist of two ,ear plugs, held over the ends of the ear canal by a rigid headband.. ,Ear muffs, consist of ,sound,-attenuating material and soft ear cushions that fit around the ear and hard outer cups.

The Best Earplugs for Concerts for 2020 | Reviews by ...
The Best Earplugs for Concerts for 2020 | Reviews by ...

25/11/2019, · Loop ,Earplugs Good, fit and comfort. Although no universal ,earplug, will reduce different sounds as evenly as a custom design, the Loop pair offers solid …

Is the soundproof earplug useful?-SUNLAND
Is the soundproof earplug useful?-SUNLAND

One way to ensure the ,effect, of the soundproof ,earplugs, is to wear the anti-noise ,earplugs, in close contact with the outer ear of the person to prevent ,sound, from entering the middle and inner ears from the gap between the soundproof ,earplugs, and the outer ear. ,Good, products have an average ,sound insulation, value between 36-40 decibels in ...

Earmuffs VS Earplugs: Best Option For Ear Protection ...
Earmuffs VS Earplugs: Best Option For Ear Protection ...

The ,sound, from other recreational activities like music concert though does not exceed the safe limit by a high value, but that doesn’t mean it is safe either. So, wearing an ,earplug, or ,earmuff, can provide protection up to 5-15 decibels which cover almost all of the fields mentioned above. ,Earmuffs, VS ,Earplugs

Sound Blocking Ear Muffs and Soundproofing Headsets for ...
Sound Blocking Ear Muffs and Soundproofing Headsets for ...

Proper Fit: With ,ear muffs, over both ears while in a noisy environment, place the palms of your hands on both cups and push cushions towards head. If there is a perceptible difference in the noise level, ,ear muffs, are probably not fitted properly. The headband will take a set. If proper fit is not obtained, repeat fitting instructions.

Ranking The 10 Best Shooting Ear Protection of 2020
Ranking The 10 Best Shooting Ear Protection of 2020

Electronic ,Ear Muffs,. These are far more sophisticated items than standard ,ear muff, protectors. Whereas ,earplugs, and standard ,ear muffs, simply put a wall between your ear and all ,sound,, electronic ,ear muffs, are more selective. They only block out noise that is above a certain decibel level. There are a lot of advantages to this type of protection.

Ranking The 10 Best Shooting Ear Protection of 2020
Ranking The 10 Best Shooting Ear Protection of 2020

Electronic ,Ear Muffs,. These are far more sophisticated items than standard ,ear muff, protectors. Whereas ,earplugs, and standard ,ear muffs, simply put a wall between your ear and all ,sound,, electronic ,ear muffs, are more selective. They only block out noise that is above a certain decibel level. There are a lot of advantages to this type of protection.

Hearing Protectors : OSH Answers
Hearing Protectors : OSH Answers

Ear plugs, are inserted in the ear canal. They may be premolded (preformed) or moldable (foam ,ear plugs,). Disposable, reusable or custom molded ,ear plugs, are available. Semi-insert ,ear plugs, which consist of two ,ear plugs, held over the ends of the ear canal by a rigid headband.. ,Ear muffs, consist of ,sound,-attenuating material and soft ear cushions that fit around the ear and hard outer cups.