Due to the simultaneous development of regulations and technologies in the field of ventilation systems with high requirements for clean air, high-efficiency filtration equipment is entering a period of increasing demand. 

Sources: “China Cleanroom Industry Development Research Report 2025” (Forward Industry Research Institute); updated national standard GB/T 14295-2024 “Air filters”; and “White Paper on HVAC and Air Purification Technology” prepared by the China Academy of Construction Research (CABR).

I. Regulatory Review: Updated National Standards and Tighter Industry Regulations Drive Modernization and Compliance for Filtration Products
The updated national standard GB/T 14295-2024 Air Filters, coming into force in 2025, significantly tightens the requirements for the classification, testing and environmental performance of air filtration equipment used in the industrial, pharmaceutical and electronics industries. The key changes concern three main aspects:
1. Clarification of filtration efficiency criteria: ambiguous class designations are eliminated and facilities are required to publicly disclose raw data obtained from actual leak testing (using PAO aerosol) and particle counts; This is intended to end the industry's practice of overstating specifications.
2. Introducing mandatory requirements for filter materials: they must have low emissions of volatile organic compounds (VOCs) and particles, and must also be recyclable. These measures are in line with the national policy of “dual carbon footprint” (achieving carbon peaking and carbon neutrality) and the principles of “green” production, which leads to the phasing out of products characterized by high energy consumption, high waste generation and non-biodegradability.
3. Specific testing requirements for filtration equipment used in pharmaceutical manufacturing (GMP standards) and semiconductor industry cleanrooms: Specific thresholds are established for gel seal designs, design integrity ratings, and extractable release rates from filtration materials.

In response to new regulatory requirements, our company has aligned processes across our entire product line:Ceiling HEPA filter, non-separator HEPA filter class H14A filter material made of glass fiber with a low level of gas emission, which has been cleaned from dust, is used; A detailed factory leak test report using the PAO test is included.Panel filter class G4, medium efficiency pocket filter class F8By using recyclable polyester filter material, this product meets all national standards, thereby directly meeting the documentation and acceptance requirements required for GMP compliance and cleanroom certification in the pharmaceutical and electronics industries.

II. Market overview: Three key consumption segments are driving the growth of the filtration equipment market; customized solutions become the main driver of development

According to a study by Qianzhan Industry Research Institute, by 2025, the domestic industrial air filtration market size will exceed 46 billion yuan, with a compound annual growth rate (CAGR) of 16.2%. The growth in demand is especially noticeable in three consumption segments:
1. Aseptic pharmaceutical production
In connection with the widespread resumption of regular inspections of pharmaceutical enterprises for compliance with GMP standards, there has been a surge in activity to modernize aseptic filling shops and biological laboratories. Traditional side-loading HEPA filters, which are often difficult to install/dismantle and have a high level of air leakage, are gradually being forced out of the market. In contrast, demand for top-seal (liquid seal) HEPA filters, which provide airtight sealing and are suitable for installation in limited ceiling spaces, is growing at more than 22% per year. They have become the preferred choice for cleanroom retrofits because the silicone top seal (liquid seal) design solves the problems of limited maintenance space and airflow disruption when replacing filters.
2. Manufacturing of precision electronics
Expanding manufacturing capacity for chips, printed circuit boards and electronic components in Southeast Asia and China is driving widespread adoption of compact air handling units. Products such as ultra-thin (20 mm) modular panel filters class G4 and pre-filters with beveled frame made of ABS plastic are ideal for installation in limited space; They are corrosion-resistant and easy to assemble/disassemble, which contributes to an annual increase in the share of export orders.
3. Data processing centers (DPC) and HVAC systems for commercial facilities
The number of projects to modernize fresh air supply systems in large domestic data centers is growing every year. Standard pocket filters are vulnerable to street dust, lint and particulate matter; However, custom G4 class pocket pre-filters, equipped with a metal protective mesh, effectively protect high-precision server equipment with a frontal protective design, ensuring a steady increase in procurement demand for facility operation and maintenance needs. The report also notes a significant change in market demand patterns: growth in orders for standard, general-purpose filters has slowed, while the share of orders for non-standard, custom-made filtration products has grown from 27% in 2022 to 43% in 2025. Customers increasingly prefer specialized solutions tailored to specific equipment dimensions, operating conditions (dust characteristics) and installation space limitations. Our company's streamlined custom design system allows us to quickly change product thickness, frame materials, modular design and sealing methods, effectively meeting the diverse operational requirements of the industry.

III. Technical Aspect: Three Key Trends Changing the Competitive Landscape in the Filtration Equipment Market

According to the White Paper on Air Purification Technology in HVAC Systems by the China Academy of Building Research, modern cleanroom air filtration technologies are developing in three main areas: high efficiency with low aerodynamic resistance, reliable sealing, and modular design and ease of maintenance.
1. Composite filter materials: balance between high filtration efficiency and low airflow resistance
Traditional filters made from homogeneous materials (such as fiberglass or polyester) force a choice between high efficiency (with high resistance) and low efficiency (with low resistance). In contrast, modern gradient composite materials and electrostatic electret materials are widely used, reducing air flow resistance by 25-35% while maintaining the same filtration rating. Our mid-efficiency (F8 class) pocket filters and various high-efficiency filters use gradient composite materials to reduce fan energy consumption, helping businesses improve energy efficiency.
2. Advanced sealing systems: moving from traditional gaskets to liquid seals (gel seals)
Standard rubber seals are prone to aging and shrinking under constant temperature and humidity conditions, causing gaps and air leaks. Integrated liquid seal (gel channel) sealing systems use liquid silicone to create a seamless, virtually leak-free seal, making them an ideal solution for Class 100 cleanrooms in pharmaceutical and semiconductor plants. Our high-efficiency top-load liquid seal filters feature an optimized seal channel design to accommodate limited plenum space, effectively solving the common industry problem of complex installation and removal associated with traditional side-loading systems. 3. Modular integrated design: reducing customer labor costs for operation and maintenance
Modular pre-filters, quick-access filter sections and integrated frames for pre- and mid-filters have become standard designs. They allow installation and replacement by one specialist, which significantly reduces equipment downtime. Our ultra-thin (20mm) modular G4 panel filters and integrated filter sections with galvanized steel casings take exactly this modular approach, allowing quick service for a variety of compact units and chemical ventilation systems.

IV. Strategic alignment: following industry trends to provide filtration solutions tailored to any application

In response to the triple transformation driven by regulatory changes, market dynamics and technological advances, we continue to improve our product range and customization capabilities, closely following current industry trends:

1. Wide range of regulatory compliant products for all market segments.

Covers a full range of filtration products, including filter grades G3-G4 (pre-filter), F5-F8 (medium efficiency) and H10-H14 (high efficiency).The product range includes gel seal HEPA filters, G4 ultra-fine modular panel filters, G4 pocket pre-filters with metal mesh, galvanized filter sections and separatorless HEPA filters. These products are intended for a wide range of industries, including pharmaceuticals, electronics, data centers, chemicals and export markets.
2. Possibilities for individual design and adaptation
We offer the manufacture of filters taking into account individual requirements for thickness, frame materials, seal design and assembly technology, based on the dimensions of the equipment, environmental conditions (temperature, humidity) and type of dust. Special solutions are used to ensure resistance to weather conditions and minimize dust emission, which allows the products to be used in specific conditions: at high temperatures and humidity (South-East Asia), in dusty environments (northern regions) or in sterile rooms (pharmaceuticals).
3. Comprehensive quality control and service support
The company has implemented a comprehensive quality control system, covering random inspection of raw materials, control at production stages and full testing of finished products (including testing of aerodynamic resistance, tightness and filtration efficiency) with the issuance of relevant reports. We also provide additional services such as on-site installation, cleanroom contamination (particle) monitoring and bilingual documentation for export, meeting the needs of both domestic projects and international customers.
V. Industry development prospects
In the next 3-5 years, the requirements for compliance with regulatory standards in the domestic industry of ventilation systems for clean rooms will become more stringent. The growth in demand for filtration equipment will be stimulated by the modernization of production and the expansion of foreign capacities. The leading positions in the market will be taken by manufacturers who can ensure compliance with standards, offer customized solutions (R&D) and guarantee reliable order fulfillment. We will continue to expand our research and development into filter media, seal designs and modular technologies while enhancing our gel seal HEPA filter and pre/mid filter lines. By offering highly efficient and flexible solutions that meet regulatory requirements, we strive to help domestic manufacturers modernize cleanrooms, and are also actively entering the markets of Southeast Asia and Russian-speaking countries, meeting the global demand for industrial ventilation and air purification systems.