Established in 1993, Hangzhou Risheng Decontamination Equipment Co., Ltd is a professional manufacturer, specialized in designing, developing and producing compressed air dryers and other purification equipments.Adhering to the quality policy of "To win via quality" and the development target of "never stop innovation", we have realized our business philosophy of "Let customers select and use Risheng products at ease".

          Quality is the top priority, so we always pay attention to the standardization of production and making perfect its quality management system unremittingly. In 1994, we were evaluated as "State Hi-tech Enterprise" jointly by Zhejiang Provincial Committee of Science and Technology and Hangzhou Committee of Science and Technology, the only one in compressed air Decontamination sector in Hangzhou city. In May 1998, Risheng became the first company to get ISO9001 Quality System Accreditation both domestically and internationally in the compressed air Decontamination sector in China.

          As a director member of "Branch of the China Universal Mechanical industry association of gas Decontamination" Risheng was honored to participate in compiling and drawing the industry standard for "JB/T10526-2005 generally use Refrigeration Compressed Air Dryers", "JB/T10532-2005 generally use Regenerative Compressed Air Dryers"

          High quality products and excellent after-sales service have helped Risheng to win the customer and engineering designer's trust since these decades. When designing and choosing models, they often see choosing the products in Risheng as the first and excellent choice.

          On March 28, 2007, at the standard meeting of national industry production license office, which held in Xiamen Fujian, the underling of the national bureau enacted "detailed rules of practicing air compressor license", which definitely stipulated that "adsorption compressed air dryers" and "refrigeration compressed air dryer" had been listed in the scope of production license (classified as the fifth unit of air compressor dryer license's sequence numbers. Meanwhile, the twelfth item of the "detailed rules" stipulated that: Any unlicensed enterprise can't manufacture air compressor, any individual can't use or sell the unlicensed air compressor.

          On December 12, 2007, as a production declaring company of "Risheng" famous compressed air drying and Decontamination equipment, " Hangzhou Risheng Decontamination Equipment Co., Ltd" is the first company in China that got the license enacted formally by "national industry production license office of the underling of the quality testing bureau, the number of the license is XK06-010-00074.

          According to the law and rules enacted by our country lately, Risheng decides to let "Hangzhou Risheng Decontamination Equipment Co., Ltd" fully continue all the developed sales and service of "Hangzhou Risheng New Technology Equipment Co., Ltd", so all the business of "Risheng" famous compressed air drying and Decontamination equipment can be continued legally.