Applications
It widely used to hospital operation room, laboratory, pharmaceutical room, electronics, optical fiber equipment and food processing factory etc.
About Us
GUANGZHOU KLC CLEANTECH CO., LTD., as a leading supplier of air filters and cleanroom equipment, is committed to providing excellent solutions for clean and fresh air.

28+

YEARS OF EXPERIENCE

  Hong Kong Kingland Investment Limited has been committed to advancing air purification technology and delivering exceptional products and services to customers worldwide since its inception. Leveraging Hong Kong's strategic position as an international financial and commercial center, we are able to efficiently integrate global resources, expand into international markets, and establish close partnerships around the world.   Since 1994 when KLC was built, we have been dedicated to the research and development of air purification products. We have invested a large amount of funding and technology to ensure that our customers can enjoy the latest high-quality products and the most professional additional services. Since the 21st century, KLC has expanded its reach to every corner of the world, accumulating extensive experience and application knowledge in order to provide more comprehensive products and services. KLC was the first enterprise in the purifying field to pass the ISO14001 and ISO9001 certifications. We possess top-ranking clean workshops and production lines, as well as advanced air filter equipment. As one of the leading manufacturers in researching, designing, and producing products related to clean rooms, our products and production technologies have obtained dozens of national patents. Now, we have garnered support from many leading enterprises across various fields and countries. With our "Globalization thinking" business philosophy, KLC products are spreading throughout Asia, Europe, and America. No matter where you are, we are always by your side.   In Mainland China, we have established an advanced production base that focuses on the research, development, production, and sales of air purification products. This production base is an integral part of our global layout, ensuring that we can continue to deliver high-quality products and services to customers worldwide.   THE HISTORY OF KLC 2005﹎﹎﹎At the beginning of establishment, KLC committed to the construction projects in the area of air conditioning, refrigeration, ventilation, air treatment, dust-free workshop, etc, focusing on China's emerging markets for future high-tech manufacturing industry, which has provided a solid foundation for industrial clean room area in technology, management and services. 2006﹎﹎﹎KLC registered our own trademarks, transferred air purification manufacturing market from scattered hand-made workshop to factory integration production. In the same year, KLC became China's first batch company in the air purification field to pass the SGS ISO9001 and SGS ISO14001 certification, these criteria for quality and environment management have built a solid basic for KLC's management and development. KLC also won the "National Quality Credit Enterprise" in 2006. 2007﹎﹎﹎KLC sales channel developed into diversified stage, began foreign trade, undertook a large number of overseas orders, reached cooperation with numbers of well-known domestic and foreign enterprises. In the same year, KLC products quality reached to a higher level, highly praised by domestic and foreign partners, and won the " Enterprise of Good Creditworthiness " award. 2009﹎﹎﹎KLC' worked with more than 3,000 end-users, and established one of few 10,000 clean class clean room for HEPA filters and ULPA filter manufacturing, in order to ensure the filters are free from pollution before customer receive the products. The clean room has effectively meet the requirement for business and future expansion of capacity, logistics or hardware equipment. 2011﹎﹎﹎KLC again researched and developed our own a variety of purification products, the world-class quality, appearance and utility model patents has set off a clean air whirlwind among the industry. Opened up a new situation in the domestic air purification industry. 2013﹎﹎﹎KLC product technology break through the traditional constraints successfully, innovation and improvement has been promoted, some product projects have been reviewed and passed the state-level scientific and technological innovation projects. In the same year, KLC is awarded as "high-tech" enterprises. 2014﹎﹎﹎KLC imported a large-scale media folding machine and flat foaming machine, became the first in southern China producing 1500mm width mini-pleat media filter. 2016﹎﹎﹎KLC invested huge sums of money to introduce an U-level testing equipment for filter's air flow, resistance and efficiency testing, filling the blank in southern China market of air filter testing, secondary testing equipment with the Chinese Academy of Sciences. KLC all products start to label with a style code, which enable the immediate tracing from production, logistics and product maintenance. 2017﹎﹎﹎KLC brand get a further upgrade, integrated comprehensively both from internal and external, including APP, suppliers, supply chain, logistics system etc. Starting a new journey from the state-own company Da An Gene become a shareholder of KLC. 2020﹎﹎﹎Introducing fully automatic MPPS filtration efficiency scanning equipment and air flow resistance detection equipment imported from the United States to enhance KLC's product development capabilities and meet higher customer demands.. 2022﹎﹎﹎KLC was awarded the title of "Specialized, Refined, Unique and New" enterprise and innovative small and medium-sized enterprise. In the same year, KLC's R&D center was approved as the Guangdong Engineering R&D Center. 2024﹎﹎﹎Introducing fully automatic MPPS filtration efficiency scanning equipment and air flow resistance detection equipment imported from the United States to enhance KLC's product development capabilities and meet higher customer demands.
Production
Automatic Sealant Glue Inject Machine Interactive laser cutting machine Automatic Digital Punching Machine Automatic Digital Bending Machine Automatic Folding Machine Combination Folding Machine Hepa Media Pleating Machine Semi-Automatic Sealant Glue Inject Machine2 Separator Filter Aluminum Foil Presing Machine Efficiency, Air Flow, Resistance Testing Machine PAO Testing Equipment PAO Testing Equipment2 Smoke Leakage Test Air Duct Type Particle Counter Testing Efficiency, Air Flow, Resistance Testing Machine 2 Semi-Automatic Sealant Glue Inject Machine    
Certificate
6S management; ISO9001 quality management system; ISO14001 environmental management system
  • CE-AS Series
  • CE-LF Series
  • Air shower-CE
  • CE-Clean bench
  • CE-Pass box
  • FFU-CE
  • ISO9001 (EN)
  • ISO14001 2015
  • Pleated Filter-UL-Certificate of Compliance
  • Pocket Filter-UL-Certificate of Compliance
  • Separator Filter-UL-Certificate of Compliance
  • SGS AIR Shower test report
  • SGS FFU & LC VC
  • 2009 UL-filter
  • SGS F5 F7 F9 filter roll stitched RoHS
  • Certificate ffu ul
Our Team
Senior & professional sales service team and Professional production team
  • Senior & professional sales service team
    Senior & professional sales service team

    More than 10 years experience in filter and clean room equipment sales

  • Senior design and development team
    Senior design and development team

    More than 10 years of experience

  • Professional production team
    Professional production team

    6S management

  • 1994
    0
    Since
  • 2000
    0+
    Sales
  • 500
    0+
    Solutions
  • 100+
    0
    Countries
About Us
GUANGZHOU KLC CLEANTECH CO., LTD., as a leading supplier of air filters and cleanroom equipment, is committed to providing excellent solutions for clean and fresh air.
Featured Products
The products involve 58 fields and have a certain market share.
  • Air Filter
  • Cleanroom Equipment
Certificate
6S management; ISO9001 quality management system; ISO14001 environmental management system
  • CE-AS Series

    CE-AS Series

  • CE-LF Series

    CE-LF Series

  • Air shower-CE

    Air shower-CE

  • CE-Clean bench

    CE-Clean bench

  • CE-Pass box

    CE-Pass box

  • FFU-CE

    FFU-CE

  • ISO9001 (EN)

    ISO9001 (EN)

  • ISO14001 2015

    ISO14001 2015

  • Pleated Filter-UL-Certificate of Compliance

    Pleated Filter-UL-Certificate of Compliance

  • Pocket Filter-UL-Certificate of Compliance

    Pocket Filter-UL-Certificate of Compliance

  • Separator Filter-UL-Certificate of Compliance

    Separator Filter-UL-Certificate of Compliance

  • SGS AIR Shower test report

    SGS AIR Shower test report

  • SGS FFU & LC VC

    SGS FFU & LC VC

  • 2009 UL-filter

    2009 UL-filter

  • SGS F5 F7 F9 filter roll stitched RoHS

    SGS F5 F7 F9 filter roll stitched RoHS

  • Certificate ffu ul

    Certificate ffu ul

Latest News
KLC provides long-term security and technical support, based on data and facts, comprehensive and in-depth analysis, to provide you with professional advice and detailed product descriptions.
  • How to Choose an FFU ? DC or AC? No hesitation after reading
    Apr 10, 2026
    How to Choose an FFU ? DC or AC? No hesitation after reading
      In cleanroom construction, Fan Filter Unit (FFU), as a core terminal device, directly determines the system's energy consumption and operational efficiency. Facing the two technical routes of DC (EC) and AC, KLC outlines the key differences to help you make an informed decision.   KLC Comparison of DC and AC FFU ▍Energy Consumption: KLC DC Fan Filter Unit (FFU) use high-efficiency EC motors, improving efficiency by 30%-50% compared to traditional AC motors. In large-scale cleanrooms, the KLC DC solution can significantly reduce annual electricity costs.   ▍Control: KLC AC Fan Filter Unit (FFU) typically use stepped speed control with limited precision, while KLC DC Fan Filter Unit (FFU) support 0-100% stepless speed control. Paired with the group control system, the fan status can be monitored in real time, automatically compensating for speed reduction caused by filter resistance increase, ensuring constant cleanliness.   ▍Noise: KLC DC Fan Filter Unit (FFU) operate smoothly with low vibration, producing 3-5 decibels less noise than AC models, better meeting the silent requirements of biopharmaceutical or precision electronics workshops.   ▍Cost: KLC AC Fan Filter Unit (FFU) have a simple structure with lower initial purchase costs; although KLC DC Fan Filter Unit (FFU) require higher upfront investment, their long-term operational benefits are significant.     ▲ KLC Fan Filter Unit (FFU)     Specification and Size Selection KLC’s mainstream FFU sizes include 1175×575mm and 575×575mm. Selection must strictly match the ceiling grid module. The casing materials are available in galvanized steel, stainless steel, or aluminum alloy to meet different environmental corrosion resistance requirements.     ▲ KLC Fan Filter Unit (FFU)     Selection Recommendations For small cleanrooms or temporary sites with limited budgets, KLC AC Fan Filter Unit (FFU) offer better cost-effectiveness; for large-scale, high-grade cleanrooms, KLC DC Fan Filter Unit (FFU) are the first choice, with lower long-term operational costs.   As an air purification expert with 20 years of history, all KLC Fan Filter Unit (FFU) products undergo 100% factory testing to ensure every unit operates stably at low energy consumption.     ▲ KLC Mini-pleat Filter
  • KLC High Heat-Resistance Filter Selection Guide: Differences and Application Key Points Between 250℃ and 350℃
    Apr 09, 2026
    KLC High Heat-Resistance Filter Selection Guide: Differences and Application Key Points Between 250℃ and 350℃
      In pharmaceutical sterilization ovens, coating paint lines, and tunnel ovens, ordinary high-efficiency filters cannot withstand high-temperature environments and must use specialized High Heat-Resistance Filters. To address common customer questions regarding the essential differences between 250℃ and 350℃ products, KLC provides the following professional selection analysis.     Temperature Resistance Levels and Material Structure   Aluminum foil or paperboard is used as separators to form deep air channels within the filter paper. This traditional structure gives the product high structural strength and dust-holding capacity. KLC Separator Filter products perform reliably in high air volume and high dust concentration environments, with excellent high-temperature and high-humidity resistance. They are particularly suitable for installation in the high-efficiency section of large central air handling units (AHUs) or in industrial dust collection scenarios with strict mechanical strength requirements.     ▲ KLC High Heat-Resistance Filter (250℃)     Differences in Application Scenarios   The KLC 250℃ grade is mainly used in dry heat sterilization cabinets in the biopharmaceutical industry, tunnel ovens, and high-temperature purification sections of food processing. The KLC 350℃ grade is more often applied in automotive coating line drying rooms, high-temperature curing ovens in the electronics industry, and other process stages requiring stringent temperature resistance limits.     ▲ KLC High Heat-Resistance Filter (350℃)     Key Parameters for Selection   When selecting KLC products, in addition to air volume and efficiency, attention should be paid to: heating rate, which should not exceed 5℃ per minute to prevent thermal expansion from causing filter element cracking; volatility, with coating industry applications requiring KLC 'silicone-free' or 'low-volatility' grade products to avoid affecting paint quality; and initial resistance, considering resistance changes caused by increased air viscosity at high temperatures, with sufficient margin reserved.     ▲ KLC High Heat-Resistance Filter (350℃)     After operating at high temperatures, the KLC High Heat-Resistance Filter must not be removed immediately. The system must first cool to room temperature and internal and external pressures must be balanced to ensure the safety of personnel and equipment. Facing complex high-temperature conditions, KLC leverages years of material research and development experience to ensure that every product meets industrial standards in both temperature stability and sealing performance.
  • From Primary Efficiency to High Efficiency: Understanding the 'Three-Level Filtration' Logic of Clean Systems in One Article
    Apr 08, 2026
    From Primary Efficiency to High Efficiency: Understanding the 'Three-Level Filtration' Logic of Clean Systems in One Article
      In air purification systems, why is it necessary to install primary and medium filters instead of directly using high-efficiency filters? This 'three-level filtration' structure is a scientifically designed protection system created by KLC, based on considerations of aerodynamics and operational costs.   KLC PRE-FILTER SERIES As the first line of defense in the system, it primarily intercepts large particles greater than 5μm, such as hair, insects, and gravel. KLC installs it at the front end of the air handling unit to prevent large particles from physically damaging subsequent filter media and to reduce system load from the source.   ▲ KLC PRE Filter     KLC Medium Filter Series Responsible for capturing fine particles in the 1–5μm range. This stage is crucial. KLC medium-efficiency products can effectively capture medium-sized dust that may clog high-efficiency filters, significantly extending the service life of downstream high-efficiency filters from a few months to 1–2 years, ensuring stable system operation.   ▲ KLC Medium Filter   KLC HEPA Filter Series Installed at the air outlet of the cleanroom, it targets the ultimate interception of ultrafine particles and microorganisms below 0.3μm. KLC high-efficiency products ensure that the air entering the room strictly meets the designated cleanliness level and act as the final barrier for maintaining core cleanroom performance indicators.   ▲ KLC HEPA Filter   The core of adhering to the three-level filtration logic lies in economic benefit and system safety. Without the first two protective stages, expensive high-efficiency filters would quickly become saturated and fail, leading to high replacement costs and risks of production downtime. Regularly replacing low-cost KLC primary and medium filters to protect the core components is the most economical strategy for enterprise operations. As a professional provider of comprehensive air purification solutions, KLC strives to create long-lasting, low-consumption clean spaces for every customer.
  • KLC Mini-pleat Filter VS KLC Separator Filter, which is the "optimal solution" for your cleanroom?
    Apr 07, 2026
    KLC Mini-pleat Filter VS KLC Separator Filter, which is the "optimal solution" for your cleanroom?
        The structural form of high-efficiency filters directly affects the spatial layout, operational energy consumption, and maintenance cycle of a cleanroom. Based on years of industry experience, KLC provides two mature solutions—filters with and without partitions—to help you make the optimal choice according to actual operating conditions.   KLC Separator Filter  Using aluminum foil or coated paper as separators, a deep filter paper air channel is formed. This traditional structure provides the product with high structural strength and dust-holding capacity. KLC's partitioned products perform steadily when handling high airflow and high-concentration dust environments and exhibit excellent high-temperature and high-humidity resistance. They are highly suitable for installation in the high-efficiency sections of large central air handling units (AHUs) or for industrial dust collection scenarios with strict mechanical strength requirements.   ▲ KLC Separator Filter   KLC Mini-pleat Filter The ultrafine and dense folding of filter paper has been achieved using hot melt adhesive technology. Compared with traditional products, the KLC Mini-pleat Filter series maintains the same filtration efficiency while having a thickness of only about half that of a Separator Filter and a significantly reduced weight. This lightweight and thin design can effectively save valuable ceiling space in cleanrooms and reduce the load on FFU fans. At the same time, the KLC Mini-pleat Filter offers more uniform airflow distribution and a high degree of production automation, making it the preferred choice for terminal air supply in cleanrooms, laminar flow hoods, and space-constrained scenarios.   ▲ KLC Mini-pleat Filter   Selection Decision Recommendation If your project seeks optimal space utilization and low operating resistance, the KLC Mini-pleat Filter is the best solution; if the working conditions are harsh, with large air volume or requiring high-temperature and high-humidity resistance, the KLC Separator Filter will provide more reliable protection. KLC always provides customized air filtration solutions based on your on-site requirements.   ▲ KLC Mini-pleat Filter
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