Explore our premium range of industrial, energy-saving, and oil-free rotary screw compression systems engineered for maximum uptime and efficiency.
How zero-contamination air engineering powers critical industrial verticals, ensuring complete safety, regulatory alignment, and maximum runtime.
In pharmaceutical processing, even a single microgram of oil aerosol can compromise entire medicine batches. Our 100% dry-type and water-lubricated oil-free screw compressors ensure ISO 8573-1 Class 0 air quality, eliminating risk of batch contamination and guaranteeing complete FDA and GMP standards compliance.
Product hygiene is paramount when compressed air directly contacts food products during packaging, sorting, or aeration. Shanghai Honest's oil-free systems eliminate downstream odor, taste alteration, and microbiological hazards, supporting HACCP hazard-control initiatives worldwide.
Sub-micron wafer manufacturing requires cleanroom-grade environments. Oil aerosols in the air stream cause physical defects on micro-chips, destroying yield rates. Our high-precision screw blowers and oil-free variable frequency compressors guarantee pure process air for precision pneumatic positioning and instrumentation.
Shanghai Honest Compressor Co., Ltd. is a British-owned enterprise. It was founded in early 2004. The production address is located at NO. 355 Jiajian Branch Road, Malu Town, Jiading District, Shanghai, China. It is a large-scale manufacturing enterprise specializing in the production of twin-screw air compressors in China. At the same time, it is also an important supplier of air system solutions.
We provide various types of piston air compressors (low pressure, medium pressure, high pressure, oil-free air compressors), screw air compressor systems (3KW-480KW various screw air compressors, gas separation equipment, refrigerant compressors, cold dryers, filters, ceramic membrane filtration systems) and various equipment accessories and consumables.
We fully implement strict management throughout the entire manufacturing process, strictly monitor product quality and environmental protection, and the company has passed the ISO9001:2015 quality management system. We pay close attention to market trends in technology research and development, remaining close to the needs of users, actively absorbing the advantages of domestic and foreign brand performance structures, and integrating our own features of convenient maintenance.
Direct Factory Consultation Hotline:
400-705-9168Get tailored solutions from our engineering design division for multi-stage compressor setups.
Delivering next-generation thermodynamic efficiency and mechanical reliability across diverse continents.
Our twin-screw air compressors feature a customized rotor profile that optimizes specific power consumption (SER). The integration of Variable Speed Drive (VSD) and Permanent Magnet (PM) motors enables our systems to adjust motor speed to real-time air demand. This reduces energy consumption by up to 35% compared to conventional fixed-speed air compressors.
Detailed performance index of our screw compressors, validating energy consumption metrics against national and global benchmarks.
| System Model Range | Cooling Options | Flow Rate Range (m³/min) | Variable Frequency Technology | Primary Industrial Use Cases |
|---|---|---|---|---|
| 3kW to 22kW Small Industrial | Air-Cooled | 0.5 to 3.6 | PM VSD Options Available | Laser cutting, small pharmaceutical packaging labs, automotive workshops. |
| 30kW to 75kW Medium Duty | Air-Cooled / Water-Cooled | 5.0 to 13.8 | Integrated Two-Stage & PM Motors | Medium chemical processing plants, textile mills, brewery aeration. |
| 90kW to 315kW High Capacity | Water-Cooled / Air-Cooled | 15.5 to 55.0 | Double PM Motor Two-Stage Systems | Semiconductor cleanrooms, massive food processing factories, steelworks. |
| Up to 480kW Custom Plant | Water-Cooled | Up to 75.0 | Variable Frequency PMSM System | Mining operations, large-scale nitrogen/gas separation stations, oil refineries. |
*Note: All data has been verified by the National Compressor Inspection Center. The energy consumption metrics outperform standard industry baselines, qualifying for premium eco-subsidies in many regions.
Our commitment to sustainable engineering, intelligent IoT controls, and future-ready thermodynamic architectures.
Improving rotor sealing and anti-corrosion properties using advanced polymers, extending the service life of water-lubricated oil-free airends past 50,000 operational hours.
Synchronizing dual PM motors dynamically via real-time vector control algorithms to maintain optimal efficiency across the entire speed curve.
Integrating vibration sensors, exhaust temperature telemetry, and oil-free dew point monitors directly into cloud-based dashboard software for remote monitoring.
Redesigning heat recovery systems to capture up to 94% of waste heat generated during compression, routing it back to plant boiler feeds or space heating.
Aligning world-class engineering with local technicians to secure continuous productivity.
To facilitate direct communication, Shanghai Honest Compressor Co., Ltd. offers a national hotline and has established dealer networks across global distribution hubs. Our teams provide field support, commissioning, and system audit services.
Beyond basic supply, we specialize in complete design plans for compressor stations, operator training, and major overhauls. This ensures your investment delivers optimal specific energy performance over its full operating life.
Answering high-intent technical questions from engineers, procurement officers, and plant operators.
Dry-type oil-free compressors run without any lubricating fluid in the compression chamber, relying on tight tolerances and timing gears to keep the rotors from touching. Water-lubricated oil-free compressors inject purified water into the chamber to seal clearances and absorb heat. Water provides excellent cooling, bringing the compression cycle closer to isothermal, which can improve energy efficiency.
Standard fixed-speed compressors cycle on and off, wasting energy in unloaded states. A Permanent Magnet Variable Speed Drive (PM VSD) compressor continuously modulates motor speed to match actual air usage. In plants with fluctuating air demand, this prevents unloaded energy waste, stabilizes system pressure, and cuts overall energy bills by 30% to 50%.
ISO 8573-1 Class 0 is the most stringent air quality class, specifying zero oil content (including liquids, aerosols, and vapors). Oil-injected compressors with downstream filters cannot guarantee Class 0 air, as filters can degrade over time. True oil-free compressors prevent oil from entering the compression chamber, offering absolute protection against process contamination.
Because there is no oil in the compression chamber, maintenance focuses on intake filters, cooling water quality (for water-lubricated models), bearings, and seals. Regular inspections of the dynamic drive system and air quality checks prevent unexpected downtime. The layout of Shanghai Honest air compressors is designed for quick access, reducing maintenance times compared to older designs.
Premium auxiliary air machinery including integrated high-pressure systems, permanent magnet air blowers, and vacuum pumps.
