China Air Filter Manufacturer,Cleanroom Equipment Factory

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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.

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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.

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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

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6S management; ISO9001 quality management system; ISO14001 environmental management system

Our Team

Senior & professional sales service team and Professional production team

Professional production team
6S management
Senior design and development team
More than 10 years of experience
Senior & professional sales service team
More than 10 years experience in filter and clean room equipment sales

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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.

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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.

Nov 13, 2025
Air Filters: Safeguarding Hygiene and Health in the Food Industry
Food safety has always been a major concern, and the air quality in food production environments directly impacts food hygiene and the quality of the final product. With the rapid development of the global food industry, consumers' demands for food safety and quality are increasing. Therefore, adopting efficient air purification technology is crucial for improving the overall level of the food processing industry. The Importance of Air Filters in the Food Industry During food production, air pollutants such as particulate matter, harmful gases, bacteria, viruses, and fungal spores can contaminate food, affecting its taste, nutritional value, and even threatening consumer health. Long-term exposure to air pollution may increase the risk of certain food allergies. Therefore, choosing appropriate air filtration equipment is essential for ensuring food safety. Application Scenarios of Air Filters in the Food Industry Production Equipment: Commonly used air filters in food factories are high-temperature resistant air filters, generally used for drying and sterilizing food ingredients. 1. Food Processing Materials: After cleaning, food processing materials need to be dried and sterilized. This process typically uses a high-temperature tunnel oven to sterilize the ingredients. High-temperature resistant air filters are generally required to ensure the materials are not contaminated by unclean air during the drying process. 2. Production Workshop Environment: Food production workshops, especially those producing infant food, require high standards of cleanliness and sterility. This necessitates the use of pre-filters, medium-efficiency filters, and high-efficiency filters for multi-stage filtration at the air intake to ensure the incoming air meets specific cleanliness and sterility requirements. 3. Exhaust Gas Emission Treatment: Some food factories generate highly concentrated exhaust gases due to processes such as baking, frying, roasting, and fermentation. These cannot be directly released into the outdoor air and require air filters at the exhaust point to treat and treat the exhaust gases until they meet emission standards. Activated carbon filters or other filtration equipment may be used. 4. Odor Removal: Some food processing processes release odor-causing substances. Activated carbon air filters can improve air quality in processing workshops by adsorbing odor-causing substances, ensuring products are not contaminated by odors. 5. Control of Volatile Organic Compounds (VOCs): Solvents, cleaning agents, and coatings used in some food processing may produce volatile organic compounds. Activated carbon air filters can adsorb and remove these harmful gases, reducing their potential hazards to food and processing personnel. 6. Prevention of Cross-Contamination: Preventing cross-contamination is crucial in food processing workshops. Activated carbon air filters can help remove bacteria, viruses, and other microorganisms from the air, reducing the risk of product contamination from external sources. How to Choose the Right Air Filter 1. Filtration Efficiency: Choose the appropriate filtration efficiency level based on different application scenarios, such as different levels under the EN779:2012 standard, or ePM1 60% filtration level, etc. 2. Food-grade Certification of Components in Contact with Products: Ensure that the filter materials and components meet food safety standards and can come into direct contact with food without causing contamination. 3. Compliance with Relevant Regulations and Standards. 4. Filter Type: Select the appropriate filter type based on specific application requirements, such as HEPA filters, activated carbon filters, high-temperature resistant air filters, etc. 5. Maintenance and Replacement Cycle: Regular filter replacement and maintenance are crucial to ensuring filtration effectiveness. A reasonable maintenance plan needs to be developed based on actual usage. 6. Aerodynamic Design: Selecting filters with aerodynamic design provides high filtration efficiency and ensures appropriate airflow while accommodating large amounts of particulate contaminants with low resistance. 7. Explosion-Proof Standards: For workshops with flammable and explosive dust, filters meeting the corresponding standards must be selected. By properly selecting and using air filters, the concentration of indoor microorganisms and particulate matter can be effectively reduced, providing a cleaner working environment for food production, thereby ensuring food safety and quality and enhancing consumer confidence.

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Nov 07, 2025
The Application Value and Innovative Practices of Air Filters in the Coating Industry
The coating industry is an important part of modern industry, widely used in automobile manufacturing, furniture production, electronic equipment assembly, and building decoration. However, the coating process generates a large number of harmful substances, such as volatile organic compounds (VOCs), particulate matter, and odors, which not only pollute the environment but also negatively impact worker health and product quality. Against this backdrop, air filters, as important air purification equipment, are particularly important in the coating industry. This article will explore the application value, technological innovation, and practical cases of air filters in the coating industry from multiple perspectives. The Core Role of Air Filters in the Coating Industry Particulate Matter Filtration and Paint Mist Capture ● Application of HEPA Filters: High-efficiency particulate air filters (HEPA) can effectively capture paint mist particles generated during the coating process, with a filtration efficiency of over 99.97%. ● Electrostatic Precipitation Technology: By adsorbing charged particles through an electrostatic field, the paint mist capture efficiency is further improved. 2. VOCs Treatment and Odor Control ● Activated Carbon Adsorption Technology: Activated carbon filters effectively adsorb VOCs and odor molecules from coatings. ● Photocatalytic Decomposition Technology: Ultraviolet light excites photocatalytic materials (such as TiO₂) to decompose VOCs into harmless carbon dioxide and water. Sterilization and Air Purification ● Ultraviolet Sterilization Technology: In painting workshops, ultraviolet lamps can kill bacteria and viruses in the air, reducing the risk of cross-infection. ● Plasma Purification Technology: Releases active oxygen molecules to decompose harmful gases while simultaneously sterilizing and disinfecting. Intelligent and Automated Control ● Intelligent Sensors: Real-time monitoring of particulate matter concentration, VOCs concentration, and temperature and humidity data in the workshop. ● Dynamic Adjustment Mode: Automatically adjusts the filter's operating mode according to changes in air quality, ensuring it is always in optimal working condition. 1. Application of New Materials ● Nanomaterials: The application of nanofiber filter media and nano-silver antibacterial materials improves filtration efficiency and sterilization capabilities. ● Bio-based Degradable Materials: Developing biodegradable filter media reduces plastic pollution. Modular and Intelligent Design ● Modular Filters: Users can replace filter modules with different functions (such as high-efficiency particulate filters and activated carbon adsorption modules) according to their needs. Energy-Saving and Environmentally Friendly Technologies ● Low-Power Design: Optimizing motor and circuit design reduces energy consumption. ● Renewable Energy Driven: Exploring the use of renewable energy sources such as solar and wind power to power the filters. Cross-Domain Integration ● Integration with Industrial Robots: During the spraying process, the air filter can work collaboratively with industrial robots to monitor and purify the air quality of localized areas in real time. ● Integration with IoT Technology: Leveraging IoT for remote monitoring and cloud management improves workshop management efficiency. The application of air filters in the coating industry not only effectively solves environmental pollution problems but also improves product quality, protects worker health, and generates considerable economic benefits. With continuous technological advancements and increasingly stringent environmental requirements, air filters will play an increasingly important role in the coating industry. In the future, through the combination of new materials, new technologies, and intelligent management, air filters will further promote the green development of the coating industry, providing strong support for a win-win situation for industrial production and environmental protection.

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Oct 31, 2025
Unveiling the Purifying World of Passbox
In the sterile halls of pharmaceutical production, in the precision manufacturing of electronic chips, and in the cleanrooms of food processing, there is a seemingly unassuming yet crucial "unsung hero"—the passbox. Like a "safety guardian" in the cleanroom, it silently protects the cleanliness and safety of the production environment. Diverse "Protective Armor" Passbox are not monotonous; they come in a variety of types, each like a tailor-made "protective armor" for different work scenarios. 1. The Economical and Practical "Basic Model"—The Ordinary Passbox The ordinary passbox has a simple structure, like a humble "guardian." It consists of a box, a door, and a sealing strip. Although it lacks a fancy "appearance," it performs admirably in places where cleanliness requirements are not particularly high. For example, in some ordinary cleanrooms, through the interlocking function of the two doors, it acts like a strict "gatekeeper," strictly preventing both doors from being opened simultaneously, effectively avoiding contamination from air convection, and providing basic cleanliness assurance for material transfer. 2. The "Upgraded" Version of Powerful Purification – Air Shower Passbox The air shower pass-through window is a "luxury upgrade" to the ordinary passbox. When materials enter the air shower passbox, it's like entering a "powerful cleaning chamber." After the side doors close, the air shower system activates instantly, with powerful clean airflow spraying out from all angles, like countless "invisible hands," sweeping away all adhering dust particles, microorganisms, and other contaminants from the material surface. These contaminants are then filtered out by a high-efficiency filter. The air shower time can be flexibly set according to actual needs, generally between 15 and 60 seconds. In industries with extremely high cleanliness requirements, such as pharmaceuticals and electronics, it is a powerful assistant in ensuring the cleanliness of materials. 3. The "Top-of-the-Line" Version of Ultimate Cleanliness – Laminar Flow Passbox The laminar flow passbox is the "top-of-the-line" version of the passbox. It adopts a vertical or horizontal unidirectional airflow organization form. The internal airflow is like a smoothly flowing "clean river," flowing at a uniform speed and direction, forming a stable clean airflow layer. During material transfer, it's like being inside an absolutely safe "protective shield," preventing external contaminants from penetrating. In places with stringent cleanliness requirements, such as biosafety laboratories and sterile preparation production workshops, it has become a "reliable partner" for high-risk operations due to its extremely high cleanliness level. Maintenance Secrets for High-Efficiency Operation To keep the passbox in "optimal condition" and continuously safeguard the cleanroom, regular maintenance is essential. Here's a maintenance guide for you! First, regularly check the door sealing strips of the passbox. Like the "sealing strips" of doors and windows, aging or damage allows air to enter. Replace any damaged parts promptly to ensure the door closes tightly and prevents air leakage. Second, for air shower passbox, the fan and HEPA filter are its "core components." They need regular inspection and cleaning. The lifespan of an HEPA filter is generally 1-3 years, but this depends on actual usage. Timely replacement of malfunctioning filters is essential to ensure the effectiveness and cleanliness of the air shower, keeping the passbox consistently operational. Furthermore, the electrical control system of the passbox cannot be overlooked. It acts as the "brain" of the passbox, controlling crucial operations such as interlocking functions and air shower duration. Regular inspections of the electrical control system are necessary to ensure all functions are operating correctly, allowing the passbox to function smoothly and efficiently.

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Oct 24, 2025
Stainless steel air showers are a vital part of the cleanroom
As a member of the purification industry, stainless steel air showers achieve effective purification effects? Of course. Purification and sterilization are crucial in many applications today, driving higher standards for purification products. Stainless steel air showers are highly versatile, localized purification devices. Air blows through stainless steel nozzles through filters to remove dust from surfaces, including people and objects. They can be used in all cleanrooms and cleanrooms. Within cleanrooms, under dynamic conditions, workers are the primary source of bacteria and dust. When workers enter the cleanroom, they pass through this device, receiving a powerful, clean air supply. Rotating nozzles spray air from all directions onto people, effectively and quickly removing dust, hair, and other debris clinging to their clothing, thus reducing contamination issues caused by people entering and leaving the cleanroom. Stainless steel air showers are a vital part of the cleanroom's vital points. Goods must pass through them as they enter and exit the cleanroom. They also function as airlocks, enclosing the cleanroom. The two doors of the stainless steel air shower are electronically interlocked, and it also functions as an airlock, preventing external contamination and unpurified air from entering the clean area. This eliminates the introduction of hair, dust, and bacteria into the workplace by employees, meeting stringent workplace cleanliness standards and producing high-quality products. Currently, air showers are being used for dust removal in industries such as dairy, chemicals, electronics, and the medical sector. This is primarily due to the installation of stainless steel air showers as inlet and outlet protection, effectively removing dust and disinfecting the air, ensuring safety and cleanliness in production workshops. The use of purification equipment is increasing in more and more locations, and this trend is expected to continue. Two key factors influence the positive pressure and cleanliness of a cleanroom: the air change rate within the cleanroom and the air volume supplied by the air conditioning and purification system. This is also influenced by the final resistance of the filters within the purification system. Cleanroom equipment also requires regular cleaning, and the materials and cleaning fluids used during cleaning must meet the relevant cleanroom management regulations.

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