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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9/9/2020, · The WHO-commissioned meta-study on the effectiveness of facemasks, published in the medical journal The Lancet in June 2020, has been instrumental in shifting global facemask policies during the Covid-19 pandemic. However, the meta-study, which claimed a risk reduction of 80% with facemasks, is seriously flawed on several levels and should be retracted.
Advice on the use of ,masks, in the context of COVID-19 Interim guidance 5 June 2020. This document is an update of the guidance published on 6 April 2020 and includes updated scientific evidence relevant to the use of ,masks, for preventing transmission of Coronavirus disease 2019 (COVID-19) as well as practical considerations.