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.
  • H13 or H14? A Single Character Difference, But How Much Do Filtration Performance and Cost Differ?
    Apr 03, 2026
    H13 or H14? A Single Character Difference, But How Much Do Filtration Performance and Cost Differ?
    In the selection of high-efficiency air filters (HEPA), choosing between H13 and H14 often leaves corporate procurement in a dilemma. Although they differ by only a single letter, they exhibit significant differences in performance, energy consumption, and cost. Blind selection can easily lead to insufficient purification or wasted resources.     Companies often fall into the misconception that "higher efficiency is always better" due to a lack of understanding of filtration efficiency, or they overlook the long-term energy costs caused by resistance, ultimately resulting in redundant procurement or operational burdens. Therefore, the key to scientific selection lies in moving beyond single-parameter comparisons and starting from system compatibility and total lifecycle costs. It requires accurately analyzing the core differences between the two in efficiency, energy consumption, and maintenance, enabling companies to find the most cost-effective cleanroom solution.   Precise Classification of Filtration Efficiency According to the EN1822 standard, H13 has a filtration efficiency of ≥99.97% for 0.3μm particles, with a penetration rate of ≤0.03%, while H14 reaches ≥99.995%, with a penetration rate of ≤0.005%, achieving about 6 times higher purification accuracy.   ▲ KLC Mini-pleat Filter   Balancing Resistance and Energy Consumption H14, due to its higher filter material density, has an initial resistance 10%-20% higher than H13, which will increase fan electricity costs during long-term operation.   ▲ KLC Mini-pleat Filter   Considering Costs Across the Entire Lifecycle The procurement price of H14 is 15%-30% higher than H13, and due to the denser filter material, the replacement frequency may be slightly higher, so maintenance costs need to be evaluated comprehensively.   ▲ KLC PTFE Mini-pleat Filter   Selection Recommendations ★ Check industry standards: H14 is recommended for pharmaceutical Grade B and above areas, while H13 is suitable for C/D grades. ★ Check cleanroom levels: Use H14 for ISO5 environments; H13 offers a better cost-performance ratio for ISO7-8 levels. ★ Check system configuration: Use H13 for ordinary air supply outlets, and H14 can be considered for high-precision FFU systems.   ▲ KLC Mini-pleat Filter     In summary, the choice between H13 and H14 should be based on the principle of "meeting process requirements." KLC's H13 and H14 filters undergo 100% scan leak detection, ensuring a reliable cleanroom environment for you.
  • KLC Helps You Scientifically Choose HEPA: Constructing the Optimal Clean Space Solution from 5 Key Dimensions
    Apr 03, 2026
    KLC Helps You Scientifically Choose HEPA: Constructing the Optimal Clean Space Solution from 5 Key Dimensions
    In cleanroom operation and renovation, the selection of high-efficiency air filters (HEPA) directly determines environmental cleanliness and system energy consumption. Faced with a diverse market, how can one make a scientific decision? KLC guides you through the selection logic from five core dimensions.     With the upgrade of cleanliness standards, filters need to balance efficiency and cost. However, enterprises often face three major challenges: blindly pursuing higher efficiency levels, ignoring resistance parameters and energy consumption, and insufficient adaptability to special scenarios, leading to procurement waste or substandard purification. Therefore, a systematic selection methodology is crucial. By accurately matching the following five core dimensions, enterprises can not only effectively avoid these pitfalls but also build air purification solutions that combine high performance with high economic efficiency.   Balancing Air Volume and Face Velocity Choose according to the ISO grade of the clean area: H13 (≥99.97%) suits pharmaceuticals and electronics assembly, H14 (≥99.995%) is used for semiconductors and high-grade laboratories, avoiding excessive redundancy.   ▲ KLC Mini-pleat Filter   Precise Matching of Efficiency Grade Rated air volume should exceed actual operating air volume, and face velocity should be controlled around 0.45 m/s to prevent excessive resistance or uneven air supply.    ▲ Test air flow rate   Optimizing Resistance Parameters to Save Energy Prefer products with an initial resistance of 150–220 Pa, replace when final resistance reaches 300–450 Pa; low initial resistance can significantly reduce electricity costs.   ▲ KLC Filters Tested with Exclusive Low-Resistance Method   Size and Installation Compatibility Prioritize standard sizes such as 610x610mm; gridless design adapts to space limitations in new cleanrooms.   ▲ KLC Mini-pleat Filter   Special Scenario Customization Choose corrosion-resistant types for the chemical industry, fumigation-resistant types for the pharmaceutical industry, and configure pre-filters and medium-efficiency filters to extend lifespan.       Selecting high-efficiency air filters (HEPA) essentially involves finding the optimal balance between investment cost and purification effect. KLC has focused on the research and development of purification equipment for 20 years, and every high-efficiency filter undergoes factory testing to ensure consistent quality.
  • KLC FFU | 68dB(A) Ultra-Low Noise, Air Purification Can Also Operate Quietly
    Mar 27, 2026
    KLC FFU | 68dB(A) Ultra-Low Noise, Air Purification Can Also Operate Quietly
    Cleanroom ceilings fully covered with FFUs (fan filter unit) can lead to significant noise accumulation, which interferes with instruments and affects prolonged work by personnel. KLC FFUs (fan filter unit) balance the rated airflow speed and noise control, incorporating multiple noise-reduction designs to ensure quiet operation even in fully covered ceilings. How does the KLC FFU (fan filter unit) achieve 68 dB(A)? Low-noise fan selection      Abandoning ordinary motor solutions, imported high-volume, low-noise fans are used. This type of fan offers a more balanced performance in terms of aerodynamic efficiency and acoustic control, with the noise of each unit strictly controlled below 68 dB(A) (measured at 1.5 m, simulating actual ceiling installation height), reducing the base noise level from the sound source. Structural vibration reduction design     Low-frequency noise primarily originates from vibrations transmitted through the ceiling framework. KLC reduces mechanical vibration at the source by using imported high-performance fans with rotors precisely balanced. Coupled with professional vibration-damping hangers, the vibration transmission path is interrupted, effectively suppressing structure-borne noise. Standardized testing verification       Strictly in accordance with GB/T 14295 and JG/T 388-2012 standards, tests are conducted in standard anechoic chambers simulating real installation conditions, with third-party test reports provided. The nominal 68 dB(A) figure corresponds to defined test conditions and can withstand on-site re-verification. From design to delivery, KLC validates results with experience from thousands of projects. KLC FFUs (fan filter unit) address three core challenges: ★ Eliminating cumulative effects Even with hundreds of units densely installed on the ceiling, the overall acoustic environment remains controllable through proper airflow organization. ★ Protecting precise data Effectively eliminates micro-vibrations that interfere with sensitive instruments such as balances and microscopes, ensuring data accuracy. ★ Improving occupational health Reduces background noise to a comfortable level, minimizing auditory fatigue during prolonged work and enhancing team efficiency.
  • KLC Air Shower | 25m/s High-Efficiency Air Velocity, Exceeding National Cleanliness Standards
    Mar 19, 2026
    KLC Air Shower | 25m/s High-Efficiency Air Velocity, Exceeding National Cleanliness Standards
    In the material transfer process within a cleanroom, tiny dust particles are often the real cause of product defects and experimental failures. KLC Pass Box with Air Shower understand that the core of purification efficiency lies in the intensity and cleanliness of the airflow; therefore, we use a nozzle outlet air velocity of 25m/s to ensure every air shower is truly effective, building a solid first line of defense against contamination for you.   Why insist on 25 m/s? The national standard requires ≥20 m/s, but we've encountered three practical problems in actual delivery:   A. Wind speed attenuation.     Using 20 m/s as the initial wind speed standard, it rapidly attenuates during equipment operation due to filter clogging, causing a precipitous drop in dust removal efficiency and creating a hidden danger of "compliant but ineffective." The 25 m/s design provides a margin, maintaining effective dust removal even with increased resistance over a long period.   B. Cleaning dead zones.     A wind speed of 20 m/s is insufficient to remove stubborn particles from the crevices of precision components. A wind speed of 25 m/s, combined with multi-angle rotating nozzles, creates the widest coverage area for deep cleaning.   C. Blind spots at the air vents.     A wind speed of 20 m/s makes it difficult to create a uniform and high-intensity turbulent field within the chamber, leaving personnel and materials potentially in "blind spots" at the air vents. The actual wind speed they experience is far lower than the standard value. A powerful 25m/s airflow ensures that personnel and materials are subjected to comprehensive, high-intensity airflow regardless of their location.   Based on the delivery and maintenance of thousands of cleanroom projects, KLC continuously optimizes nozzle layout and filtration technology. The 25m/s airflow design achieves the following practical effects: ★ Stable achievement of ISO Class 5 (Class 100) cleanroom standards ★ Deep cleaning of rough-surfaced cardboard boxes, complex molds, and precision components ★ Reduced product scrap due to material contamination, ensuring a continuously controlled production environment ★ Meeting GMP, ISO, and other certification requirements ★ Compared to merely meeting national standards, 25m/s represents a higher technical threshold and a more pragmatic choice for actual usage scenarios.
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