Hubei Hall Fresh Air Technology Co., Ltd. (hereinafter referred to as: the company) is a subsidiary of China Lesso. The company is a high-tech enterprise integrating the research and development, production, sales and service of air filters and fresh air purification products. The air filter products produced can provide from G series primary efficiency to MPPS efficiency U17 ultra-high efficiency filters, which meet the latest domestic and foreign testing standards such as ISO16890, EN1822, GB14295, etc. We also built a complete filter laboratory in the Chibi factory to independently test and master the performance parameters of the products to ensure that all products produced meet the quality requirements for major project applications. The company has passed ISO16949 related certifications in the automotive industry and is a qualified supplier of filter product system certification in the automotive industry.
R&D and production management capabilities:
Hall Fresh Air is a company within the China Lesso Group engaged in the field of air purification. It has focused on the industry for 18 years and attaches great importance to R&D and innovation. It has core air purification technologies and related solutions in the fields of microelectronics, semiconductors, aerospace, biomedical, commercial and civil indoor air quality, etc., with an FFU box production and assembly workshop of approximately 12,000 square meters. It has Taiwan Lifu and other digital punching, laser, and multi-sided bending center production lines, and uses precision rice metal technology to ensure the sealing and leakage rate of the box. The high-efficiency filter and box are assembled in a dust-free workshop to ensure its high performance and cleanliness requirements. It has four production lines for operation and aging testing, and each unit is tested before leaving the factory. High-efficiency filters are scanned one by one according to the EN1822 standard to ensure quality requirements. The company has successively established FFU sound power laboratory, performance and aging laboratory, and filter comprehensive performance laboratory. Comply with IS0, GB, EN, ASHRAE and other relevant professional standards.