replaceable pre filter200+ factories verified

Guangzhou Rt Air Filtech Zn Co., Ltd, headquartered in Guangzhou, is a leading manufacturer committed to providing innovative and sustainable air filtration solutions. We specialize in the research, development, production, and sales of high-quality filtration products for a wide range of industries, including electronics, pharmaceuticals, and automotive manufacturing.

Electrotemp Technologies China Inc. is a professional water cooler dispenser manufacturer in Zhejiang, China. Our company is located in Beilun District, Ningbo City, Zhejiang Province, China. 220, 500 square feet, three advanced equipment automatic work line with over 2, 500 unit per day capacity.

Sichuan Huajie Purification Equipment Co., Ltd was established in 2022 known as a sustainable development enterprise, specialized in Manufacturing, Research & Development and Marketing all kinds of air filter media. Company own a group of high level professional staff and advanced production, quality inspection equipment.

Henan Beisen Environmental Technology Co., Ltd. Was founded in 2015, located in Xiping County, Henan Province, with nearly 210 employees, covers an area of 50000 square meters, a total investment of 200 million yuan, 3000 square meters of standardized production workshop. We specialized in R&D, production and sales of permeate carrier and spacer for RO membrane, the products are applied to various water purification equipment,  selling well in domestic and overseas markets.

Xinxiang Feiyu clean Tech Co. Ltd, founded in 2025 specializes in exporting on air filter, water filter, oil filter and various clean equipment as clean room, RO, water systme, Air shower, pass through window, oil purifier and so on.

About Melko

Wiskind was founded in the late 1970 s, focusing on the cleanroom containment system research and development and manufacturing, covers an area of 1000 mu, the existing staff of more than 1700 people, 160 million square meters building products, distribution on Wiskind 43 years experience in industry research and development and resource integration advantages, has now become a professional cleanroom containment system service, through years of unremitting efforts and persistent pursuit, obtained the customer and society. Has passed FM, CE, SGS, ISO9001, ISO14001 certification. After more than 40 years of development, Wiskind group has become the most professional service provider of clean room envelope system, the advocate and practitioner of modular clean room, and the largest manufacturer of smart clean room panels in China. The company owns the first automatic production line of clean room panel with independent intellectual property rights and the world's leading automatic production equipment for cleanroom doors and Windows. Serving many large system engineering enterprises at home and abroad, and occupying the leading edge in the engineering field of biopharmaceutical and medical industry; CSPC PHARMA, Qilu Pharm, Anti-Lu, north China pharmaceutical and many other world top 500 enterprises have used the company's clean series products.

Established in 2007, Zhengzhou Ailin Technology Co., Ltd (also known as Henan Yifan Filter Co., Ltd) specializes in the manufacturing of high-quality air purification and filtration products with a global reach. Our company spans over 3000 square meters and employs 50 staff members, including 11 research technicians.

Thenow was established in 2005, belonging to Thenow Group(Former name Apureda Group) as the wholly-owned subsidiary. Being a standard maker, Thenow Group is a global specialist in the development and production of filtering systems and solutions with 6 production units. As one of Thenow Group's production units, Thenow Purification's business is to provide customers with sustainable best in class air filtration products and services. We mainly focus on manufacturing air filters for industrial dedusting, gas turbine air inlet systems and HVAC systems.

Guangzhou clean-link filtration technology Co., Ltd, is established in 2007, located in Conghua, Guangzhou. Since our company established, the performance is increased more than 50% for each year. The scope of our company business round many countries and areas: Such as Italy, Germany, Korea, Australia, The Middle East, USA, Southeast Asia, Japan and so on. In 2010, Our branch factory "Clean-Link Filter(Suzhou)Co., Ltd" was set up in Suzhou.

Company Profile

Guangzhou Clair Filtech Co., Ltd. is one of the best international enterprises which are specialized in the products of filtration and purification in China.

Topg Health Technology (Guangdong) Co., Ltd was established in 2008, is a professional manufacturer and exporter that is concerned with the design, development, production and sale of filter and air purifier.

Nantong Lyusen Environmental Protection Purification Material Co., Ltd. Was established in 1998, located in Jingyuan Ruigu Ecological Technology City, Chongchuan district, Nantong, Jiangsu Province, not too far from Shanghai. Lyusen is company which incorporates science, industry, and trade, boasting equipped assembly line, testing equipment, as well as complete quality assurance system. In addition, Lyusen also cooperates with many famous state institutions in Shanghai and Nanjing to do R&D in the area of air purifier.  

1. Company Profile

Wuxi Licheng Smart Technology Co., Ltd. - Pioneering Cleanroom Solutions for High-Tech Industries

2020 is the most critical year for Hella Water. We have gone through the baptism of the epidemic and integrated many new partners. We funded factories that were about to close and co-invested in creating the international brand "HELLA WATER" with accessories, commercial equipment, membrane production, and pump factories. Through this brand, we will bring more water treatment equipment products to the international market.

Guangzhou RT Air Filtech Co., Ltd. is a production-oriented enterprise integrating R& D, production, sales and service. It is committed to offering related ranges of air filters for industries such as electronics factory, semiconductors, liquid crystal displays, bio-pharmaceutical, food, petrochemical industry, clean room, hospital, rail transit, spray booth, commercial and residential construction.

Kinglei company mainly develops/produces all kinds of air filter products. We has two production bases in Shunde and Hefei, , We are the Guangdong high-tech enterprise, the technology-based small and medium-sized enterprise, also the star enterprise. We have passed ISO9001: 2015 certified, and national quality integrity benchmark. Our annual production capacity up to 3 million sets of various filters. The product types include HVAC filters, air purifier filters, fresh air filters, household/commercial range hood filters, and microwave ovens filters, and chemical filters. Among them, HVAC filters include panel filters, bag filters, HEPA filters with/without separator and Ultra HEPA filters; Air purifier filters include PM2.5 filters, activated carbon filters, photo catalyst filter or cold catalyst filter and other functional filters; Grease fume purification filters include European hood filters and commercial hood filters. At present, our company's products are widely used in various ventilation systems such as household, commercial and industrial.

Snyli Environmental Technology (Shandong) Co., Ltd was established in 2010, is a professional service provider of air purification products integrating R&D, production and sales, with registered brand- SYNLI.

Chongqing XinRail Technology Co., Ltd. is a leading enterprise specializing in the railway and rail transit sectors, with a focus on providing comprehensive solutions for railway components and accessories. Established in 1999 and headquartered in Chongqing, China, the company has rapidly become a significant player in the international rail transit industry.

We have been devoted ourselves in this field of filter cartridges production for over 10 years, we are widely used in various organizations in order to provide our users with safe, clean and nature water to drink, in addition, our water treatment plant reduces more of contaminants found in tap water also keep the healthiest elements for each drop of water, for helping you to save much cost, and enjoy your nature life.

Jinan Zichen Trading Co., Ltd.: Global Truck and Bus Parts Export Expert

Shanghai Vithy Filter System Co., Ltd. is a leading high-tech Chinese enterprise specializing in the R&D and manufacturing of industrial fluid filtration systems. With over 15 years of expertise and production bases in Shanghai and Jiangxi, they provide comprehensive, patent-backed solutions to global markets.

Henan Aikefi Environmental Protection Technology Co., Ltd. is a high-tech company specializing in the development, manufacture and sale of water filter cartridges, water treatment equipment, Reverse Osmosis systems for more than 20 years. Our filtration products are widely used in food and beverage, pharmaceutical, medical, laboratory, microelectronics, power generation, seawater desalination, petrochemical, metal processing, drinking water treatment, machinery manufacturing, automotive, etc., focusing on providing filtration, separation, and purification solutions for our customers worldwide. We have passed ISO9001: 2015, SGS, CE and other quality management system certifications. We are committed to innovating and improving its renewable water purification products to help the world create a cleaner and brighter future and contribute to the sustainable development of mankind.

Anping County Yaoan Wire Mesh Products Co., Ltd. Was founded in 2015 in Anping County, Hebei Province, known as the "Hometown of Wire Mesh" in China. It is a leading manufacturer in the metal wire mesh industry. The company currently operates four factories with more than 60 employees and an annual output value of approximately USD 10 million. The total plant area covers 8, 600 square meters and is equipped with over 70 machines. Our annual production capacity includes over 2 million square meters of stainless steel wire mesh and 2 million square meters of epoxy resin mesh.

Hangzhou Keyuan Water Treatment Equipment Co., Ltd. is a comprehensive enterprise specializing in the research and development, production, sales, and after-sales service of water treatment equipment. Our company mainly produces mechanical filters (quartz sand filters, activated carbon filters, multi-media filters), precision filters, bag filters, water tanks, softening tanks, membrane shells and other stainless steel products. The products are widely used in industrial, municipal, pharmaceutical, food industries, commercial and residential water purification, wastewater treatment and resource recovery issues. With rich industry experience, professional technical team, and innovative research and development capabilities, we provide targeted solutions in the field of water treatment to help customers achieve efficient utilization and sustainable development of water resources.

Hangzhou Tanvi Filtering Equipment Co., Ltd is mainly engaged in the filter product development, production and application technology promotion, specialize in liquid and gas filtration. Products in microfiltration, ultrafiltration, nanofiltration, reverse osmosis technology field. Has been widely used in all kinds of fluid filtration, separation, purification, products in laboratory research and development, food andbeverage, pharmaceutical, chemical, electronic, steel smelting and other industries widely used.

Xinxiang Mengma Filter Co., Ltd. is a high-tech and modern manufacturer integrating research, production, and sales of the Filter elements and Filter Equipment which founded in 2006, Covering an area of 5000 square meters.

KEEPWIN TECHNOLOGY HEBEI Co., Ltd is a high-tech joint-stock enterprise which specializes in the development and designing, manufacturing and installation, mating remolding and sales service of compressors as well as the corresponding pre-and post-position purifying equipment. KEEPWIN factory located in Hebei Province, China. Our factory has 18years of manufacture experience process compressor, with staffs of nearly 150, a total asset of 100, 000, 000RMB, building area of 11222m2, Specializes in the development and designing, manufacturing and installation of Reciprocating compressor & Diaphragm Compressor, Fuel Gas Compressor & Natural Gas Compressor & CNG compressor & LNG & LPG & Methane Compressor, Pure gas of Oxygen & Helium & Argon & Xenon & Nitrogen Gas Compressor, Station Hydrogen Compressor, Hydrogen energy equipment, High pressure Air Compressor, Oil free scroll compressor. Our company makes different but suitable plan for every different customer according to the condition of the flow rate, suction pressure & discharge pressure, gas inlet temperature & outlet temperature, air-cooled or water-cooled. The finished products are sent to Quality Control Department for stringent quality tests and factory operation test on various parameters. Quality is our cultural, Customer's good feedback is our developing base. We view client satisfaction as the witness of our products' utility and application in all environments.