The following brands of anti-dust masks are good: 3M, Honeywell, Sixtron, Chao Mei, Bao for Kang.
1, 3M
3M China Limited, founded in 1902 in the United States, as a world-renowned diversified science and technology innovation enterprise, 3M developed more than 60,000 kinds of products, from household goods to medical products, from transportation, construction to business, education and electronics, communications and other fields. 1984 into China, with the safety and industrial products, transportation and electronics, medical products, safety and industrial products. products, transportation and electronics, medical products, consumer products and other market-oriented business units, to provide consumers with a diversified range of innovative products and solutions.
2, Honeywell
Honeywell (China) Co., Ltd, Honeywell was founded in 1885, entered China in 1935, its four major business groups have been settled in China, dozens of cities in the country has a number of wholly owned companies and joint ventures. Honeywell's Safety and Productivity Solutions Group provides mobile industrial computers, voice software and workflow, barcode scanners, printing solutions, gas detection technology and personal protective equipment to more than 500 million operators worldwide.
3, Si Chuang
Jingzhou Si Chuang Technology Development Co., Ltd. was founded in 2000, the industry leader in labor protection supplies, research and development, production and sales of special respiratory protection equipment, high-tech enterprises. Siltronic has a number of large-scale production bases and product monitoring centers, the main business covers industrial protection, personal protection, medical protective cover and other series of products, the sales channel has been throughout the country dozens of provinces and municipalities directly under the Central Government.
4, Chaomei
Jiande Chaomei Daily Chemical Co., Ltd. from 1990, the domestic size of the facial protection products supplier, formerly known as the Chinese Academy of Sciences Chaomei Industrial Company. Chaomei has dozens of utility patents and independent intellectual property rights, and participated in the development of a number of national standards and group standards, the current annual production capacity of masks can reach hundreds of millions of masks, business covering industrial occupational protective mask series, medical protective mask series, civilian PM2.5 protective mask series and daily detergent products.
5, Paul for the Kang
Guangzhou City, Paul for the Kang Labor Protection Products Co., Ltd. is a professional production and sales of a variety of medical masks, folding dust masks, cup masks, boat masks, activated charcoal masks, dust masks, gas masks, filter pads, cartridges, and earplugs, such as the protection of the professional manufacturers and service providers.
Reference for the above: Baidu Encyclopedia-3M China Ltd.