All of our stainless steel pass box have been authenticated by international authoritative institutes and cater to the Chinese criteria at the same time. Guangzhou HaoAir Purification Technology Co.,Ltd. maintains close contact and extensive cooperation with large enterprises which have high demand on quality as well as qualifications. These internationally authoritative certifications show that our product is at the forefront of the industry. No matter what aspects of the product are tested, it shows premium and stable performance in the tests executed by these institutions.

HaoAir Purification has been stable for years in the market of high temperature filter. hepa filter manufacturers is the main product of HaoAir Purification. It is diverse in variety. HAOAIRTECH Air Filter Accessories has passed visual inspections. It is mainly inspected in terms of structural integrity, contaminants, sharp points & edges, mandatory tracking, and warning labels. The product can maintain high air quality of the factory. The product features great hardness. The metal materials used have been carefully heat treated in order to increase the hardness. The product is of high purification rank.

HAOAIRTECH holds the strong belief that serving customers with the most professional staff. Get quote!