Best Desiccant Air Dryer Manufacturer in China

Hangzhou Risheng Decontamination Equipment Co., Ltd. has created a comprehensive and professional compressed air treatment product matrix with its profound industry accumulation.
Compressed Air Dryer, as one of the core products, is subdivided into Refrigeration Air Dryer and Desiccant Air Dryer. The former uses the refrigeration principle to quickly cool the compressed air, causing the water vapor to condense and separate, effectively reducing the air humidity, and is suitable for most scenes with conventional requirements for air dryness; the latter uses special adsorption materials to deeply adsorb moisture, which can meet the industrial environment with extremely strict requirements for air dryness.
Compressed Air Filter can accurately filter impurity particles in compressed air to ensure the purity of the air source. Air Compressor provides stable and reliable compressed air power for various equipment. Water Separator can efficiently separate liquid water in compressed air. Compressed Air Filter Element, as a key component of the filter, ensures the durability and stability of the filtering effect. After Cooler can quickly cool high-temperature compressed air and improve the operating efficiency of the equipment. In addition, there are abundant accessories to provide all-round support for the installation, maintenance and efficient operation of the entire system to meet the diverse needs of different customers.

Corporate philosophy
In-depth explanation of how the concept of "quality first, continuous innovation" runs through the company's R&D, production, sales and service processes, laying the foundation for product and service quality.

Certification honors
List the identity of the vice president unit of the industry association, as well as domestic and international ISO9001 quality system certification, EU CE certification, British AEA and German TÜV certification, etc., to prove that the company has achieved high international and domestic standards.

Intelligent manufacturing base
We have a modern production base equipped with advanced automated production lines and precision testing equipment. Through the intelligent manufacturing system, we realize the whole process control from raw material processing to finished product assembly. The factory strictly follows the ISO9001 quality system and adopts a digital production management model to ensure the high precision and consistency of products such as Compressed Air Dryer and Air Compressor.
Full industry chain technology integration capabilities
Relying on its own R&D center and large-scale production workshops, Risheng realizes independent R&D and production from core components to complete equipment. The factory is equipped with a professional testing laboratory that can simulate extreme working conditions such as high temperature and high pressure to ensure the reliability of products in complex environments.
Industry standard setter status
As the vice president unit of the industry association, we have led and participated in the formulation of many national and industry standards, and its factory production process and technical indicators have become industry benchmarks. For example, through the self-developed energy-saving After Cooler and Water Separator integrated technology, we promote the upgrade of energy efficiency standards for compressed air treatment equipment.
Military-grade quality control system
The factory implements a strict quality control process, and 12 inspection processes are required from the storage of raw materials to the delivery of finished products. In response to the needs of high-tech fields such as military industry and electronics, we have specially established dust-free workshops and anti-static production lines to ensure that the products meet the requirements of GJB national military standards. For example, the explosion-proof compressed air drying system customized for a military enterprise has a factory production accuracy of ±0.01mm.

The global warming situation is severe. Over the past 150 years, the average temperature of the earth has continued to rise to a historical peak, and the greenhouse effect has exceeded the natural regulation limit. In order to curb the climate crisis, global companies are accelerating ESG transformation under policy and social pressure, and achieving green upgrades by setting carbon neutrality goals, developing clean energy and circular economy. Technological innovation has promoted the transformation of energy structure. The cost of renewable energy has dropped by 82% in ten years, and the sales of electric vehicles have increased by 60% annually. Risheng Company took this opportunity to launch the concept of sustainable development and promote the low-carbon transformation of the industry with the innovation of compressed air treatment technology.

High-efficiency energy-saving technology
The closed-loop thermal regeneration technology is used to recycle 60% of waste heat, combined with the mixed drying cycle mode, the comprehensive energy saving is 40%, and the carbon reduction of a single device is 1.2 tons per year. Passed the EU CE wastewater-free certification and achieved zero liquid discharge.
Oil-free process innovation
Key components use ceramic bearings and non-contact seals to achieve 100% oil-free operation. The innovative condensate evaporation system eliminates wastewater pollution, and the noise control is 15% lower than the industry standard to 65dB (A).
Intelligent operation and maintenance management
The AI ​​predictive maintenance system reduces downtime by 20%, and the IoT load adaptive technology dynamically optimizes energy consumption. The intelligent control platform extends the equipment life cycle by 30% and reduces annual maintenance costs by 25%.
Environmentally friendly material upgrade
The independently developed molecular sieve has a life of 8 years and reduces 50% adsorbent replacement. The entire series of products have passed the ISO 14001 environmental management system certification, and the regeneration energy consumption is 35% lower than the traditional solution.

As a leading enterprise in China's compressed air treatment industry, Hangzhou Risheng Purification Equipment Co., Ltd. has a market coverage that shows a dual-wheel drive development pattern at home and abroad. In the domestic market, the company's products have deeply penetrated into core areas such as energy, military industry, and electronic manufacturing. Its customers include large state-owned enterprises such as Baosteel and Wuhan Iron and Steel, as well as foreign-funded high-end manufacturing companies such as Foxconn and Intel, especially in industrial intensive areas such as the Yangtze River Delta and the Pearl River Delta. The company's independently developed refrigerated and adsorption dryer series products occupy more than 30% of the domestic mid-to-high-end market with their stable performance and energy-saving advantages.

In the international market, the company has built a marketing network covering more than 50 countries and regions around the world, and its products are exported to Europe, the United States, Southeast Asia and the Middle East. In Southeast Asia, its dryer products have entered the local automobile manufacturing industry chain; in the European market, products with international certifications such as CE and TÜV have successfully served the food processing, precision manufacturing and other industries. In 2024, overseas revenue accounted for 45%, an increase of 200% over 2020, and gradually ranked among the top ten in the global dryer market.

In terms of service system, the company has established a "three-in-one" service model: domestically, it relies on the two regional after-sales service centers in the north and south and 28 provincial capital offices to achieve 48-hour on-site response; the international market provides technical support through a localized dealer network, and the core component inventory covers major overseas markets. Its service standards include equipment full life cycle management, from installation and commissioning to preventive maintenance, with an average annual customer satisfaction rate of 98.6%. Typical cases include customizing an explosion-proof drying system for a military enterprise, achieving zero-fault operation for 5 consecutive years; providing intelligent drying solutions for European customers to help them reduce energy consumption by 35%.

Customer feedback shows that Risheng products are known for "high efficiency, energy saving, and long life cycle". Foxconn's technical director commented: "Risheng dryers perform stably in 3C manufacturing environments, with a dew point control accuracy of ±1℃ and maintenance costs 20% lower than similar products." After using its compression heat regeneration dryer, a Middle Eastern petrochemical company reduced its annual carbon emissions by 120 tons and received special commendation from the local environmental protection department. As of 2025, the company has accumulated more than 5,000 long-term cooperative customers, with a repurchase rate of 65%, forming an industry benchmark effect.