Hangzhou Risheng Decontamination Equipment Co., Ltd. is a compressed air treatment (filtration, drying and purification) solution provider with own research and development (R&D), manufacturing, sales, and service capabilities. Risheng was established in 1992, and has constantly adhered to its development path of "Quality First and Continuous Innovation" ever since.
Risheng has become a technological innovation-based enterprise with the highest innovative capability, the most stable product quality and the best export performance in its industry within China. Risheng is also drafting and establishing several national and industrial standards. We had sold various types of high efficiency and energy saving compressed air treatment equipment manufactured by us all over China which including many large and medium-sized enterprises, defense industry enterprises and several foreign-funded high-end manufacturers such as Foxconn and Intel.
Comprehensive Solutions:
From R&D to sales and after-sales services, Risheng provides complete compressed air treatment solutions, ensuring customer satisfaction at every stage.
Proven Track Record:
With decades of experience and a strong focus on innovation, Risheng is a trusted partner for companies in various industries such as manufacturing, electronics, defense, etc.
Commitment To Sustainability
Rich is committed to providing energy-saving and environmentally friendly solutions to help companies reduce their carbon footprint and improve operational sustainability.
Global Presence
In addition to having a strong presence in China, Risheng has successfully expanded its export market, providing advanced compressed air treatment solutions to international customers.
Sichuan Air Separation Plant (Group) Co., Ltd. (Sichuan Air Separation)
Core Products: Medium/large cryogenic nitrogen generators, PSA nitrogen systems, integrated air separation solutions.
Strengths: Long-standing state-owned enterprise; complete R&D/manufacturing chain; strong in large-scale project EPC; widely used in energy, chemical, and metallurgy.
Wuxi Zhongheng Gas Equipment Manufacturing Co., Ltd.
Core Products: PSA nitrogen generators (1–3000 Nm³/h), membrane nitrogen generators, nitrogen purification systems (99.999%+).
Strengths: Specialized in small/medium PSA units; high cost-performance; fast delivery; stable for food packaging, laser cutting, and electronics.
Jiangyin Sanyang Nitrogen Generator Machinery Co., Ltd.
Core Products: PSA nitrogen generators (custom flow/purity), nitrogen booster systems, integrated skid-mounted units.
Strengths: Focus on PSA technology; modular design; low energy consumption; long service life; strong after-sales network.
Shanghai Huaxi Chemical Technology Co., Ltd.
Core Products: VPSA/PSA nitrogen generators, hydrogen/nitrogen mixed gas systems, cryogenic nitrogen plants for chemical & energy.
Strengths: Strong in process integration for chemical/coal chemical; high-efficiency VPSA for large-flow low-purity nitrogen; EPC capability.
Guangdong Ruiqi Air Separation Equipment Co., Ltd.
Core Products: PSA nitrogen generators (1–2000 Nm³/h), membrane nitrogen systems, nitrogen/oxygen combined units.
Strengths: South China leading manufacturer; compact skid-mounted design; fast installation; suitable for tropical/humid environments.
Xi'an Ultrafiltration Environmental Technology Co., Ltd.
Core Products: PSA nitrogen generators, nitrogen purification (99.9995%), membrane nitrogen systems, compressed air purification.
Strengths: Expert in high-purity nitrogen for electronics/pharmaceuticals; low dew point (-70°C); energy-saving control systems.
Beijing CAS Fuhai Cryogenic Technology Co., Ltd.
Core Products: Small/medium cryogenic nitrogen generators, liquid nitrogen plants, LNG integrated nitrogen systems.
Strengths: CAS-backed cryogenic technology; compact liquid nitrogen output; suitable for labs, medical, and small industrial use.
Suzhou Nitrogen Generator Equipment Co., Ltd.
Core Products: PSA nitrogen generators (standard/custom), nitrogen booster, nitrogen/argon mixed systems.
Strengths: Yangtze Delta regional leader; flexible customization; fast response; competitive pricing for mid-range markets.
Changzhou Debang Gas Equipment Co., Ltd.
Core Products: PSA nitrogen generators (1–1500 Nm³/h), membrane nitrogen units, skid-mounted integrated systems.
Strengths: Focus on small/medium flow; simple operation; low maintenance; suitable for SMEs and export markets.