Belt-driven transmission offering robust structural stability and ease of field maintenance, configured for variable output demands.
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An all-in-one space-saving system integrating the compressor, air receiver tank, refrigerated dryer, and inline multi-stage filtration.
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Advanced IE4/IE5 permanent magnet motor utilizing variable frequency control to align output with fluctuating dynamic demands.
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Compact industrial package offering clean air output, highly recommended for localized production spaces and light manufacturing.
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Dual permanent magnet motors independently driving first and second compression stages for maximum thermodynamic efficiency.
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Mid-range dual-stage screw compressor with variable frequency drive, offering reduced stage compression ratios and minimized leakage.
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Air-cooled direct-drive system configured to reduce mechanical coupling loss, maximizing overall air output per kW.
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ISO 8573-1 Class 0 certified dry-type oil-free screw compressor for process-critical applications requiring zero contamination risk.
Explore DetailsAs a leading OEM air compressor for industry supplier & exporter, Shanghai Honest Compressor Co., Ltd. (a British-owned enterprise founded in early 2004) integrates state-of-the-art European rotary profile geometries with localized manufacturing precision. Operating out of our specialized factory located at NO. 355 Jiajian Branch Road, Malu Town, Jiading District, Shanghai, China, we configure heavy-duty compression systems from 3kW up to 480kW.
Every single rotary screw host is built using high-performance asymmetric screw profiles with a 5:6 lobe ratio. This geometric configuration ensures maximum displacement capacity, minimal return leakage, and exceptional isothermal compression efficiency.
By coupling these elements with Permanent Magnet Variable Speed Drive (PM VSD) motors, we achieve significant energy savings. Traditional fixed-speed air compressors suffer from massive unloaded losses, where the motor continues running at full speed without producing compressed air. Our PM VSD technology eliminates this waste, reducing the total cost of ownership (TCO) by matching real-time air output to dynamic factory demand.
Our compression solutions use high-capacity cooling circuits, robust air-end structures, and advanced PLC control centers to support continuous-duty cycles. The combination of precision gear assemblies and direct couplings ensures near-zero mechanical slip, distinguishing our products in high-volume industrial zones.
Available Configurations: Piston type (low, medium, high pressure), oil-injected screw units, dry-type oil-free screw assemblies, water-lubricated oil-free units, screw blowers, vacuum pumps, refrigerant dryers, and active carbon filtration systems.
Leveraging Shanghai's manufacturing ecosystem, we manage complete production quality: from sourcing high-strength gray cast iron housings to utilizing high-precision German rotor milling machines.
Certified under CE, ISO9001, and ISO14001, our equipment meets CE directives and ASME pressure vessel codes. We guarantee safe operations under harsh grid conditions.
We supply modular spare parts, diagnostic telemetry, and regional service network support to ensure minimal downtime and reliable production continuity.
Industrial procurement departments face high pressure when sourcing heavy-duty machinery. Selecting an OEM air compressor for industry supplier & exporter requires evaluating long-term reliability and system integration alongside base equipment costs. Common challenges include electrical grid compatibility, safety compliance, and the total cost of ownership (TCO) over a typical 10-to-15-year service life.
Motors must match regional electrical standards (e.g., 380V/50Hz/3Ph, 460V/60Hz/3Ph, or 230V/60Hz/3Ph). Our high-torque permanent magnet motors are constructed with IP55-class protection and Class F insulation. These parameters protect the stator windings from industrial dust and humidity, maintaining stable thermal operation even during continuous service in ambient temperatures up to 45°C (113°F).
Based in Shanghai's Jiading industrial zone, we optimize production through localized raw material sourcing, automated machining, and rigorous load testing. This integration keeps our system costs highly competitive compared to Western manufacturers, without sacrificing quality. We use premium SKF bearings, high-efficiency oil-air separator vessels, and clean-air intake filters to ensure our compressors deliver reliable uptime.
| Technical Parameter | Standard Fixed Speed Series | Advanced Two-Stage PM VSD Series | Dry Type Oil-Free Series |
|---|---|---|---|
| Power Range (kW) | 7.5 kW – 22 kW | 37 kW – 315 kW | 55 kW – 315 kW |
| Drive Mechanism | Belt Drive / Elastic Coupling | Direct Coupled Permanent Magnet | Synchronized Precision Gear |
| Isothermal Efficiency | Baseline (72% - 78%) | High (85% - 92%) | Premium (82% - 88%) |
| ISO 8573-1 Air Quality Class | Class 2 - 3 (Oil residue < 3mg/m³) | Class 2 - 3 (Oil residue < 2mg/m³) | Class 0 (Zero Oil Risk) |
| Specific Power (kW/(m³/min)) | Approx. 7.2 - 8.5 | Approx. 5.6 - 6.8 | Approx. 6.8 - 7.9 |
To support overseas clients, our export division provides remote PLC telemetry setups, detailed visual piping guides, and pre-packaged service kits (air filters, oil filters, separator elements). Our digital controllers support Modbus RTU protocols, allowing local factory technicians to integrate the compressor telemetry directly into their centralized SCADA systems.
Shanghai Honest Compressor Co., Ltd. is a British-owned enterprise founded in early 2004. Our primary manufacturing facility is located at NO. 355 Jiajian Branch Road, Malu Town, Jiading District, Shanghai, China. We specialize in the R&D and manufacturing of high-capacity twin-screw air compressors and complete air system installations.
Our product catalog spans 3kW to 480kW units, encompassing piston compressors (low, medium, and high-pressure), oil-injected screw systems, integrated dryers, filtration elements, and gas separation equipment. Over the last two decades, we have supported prominent international brands as an OEM supplier, delivering reliable, energy-saving equipment to global markets.
Read More About Our FactoryIndustrial applications present unique demands for compressed air quality, pressure stability, and continuous volume delivery. Below, we detail how our systems are configured to meet the needs of specific operating environments:
Clean air is essential in electronics manufacturing. Even trace oil vapor can damage sensitive micro-components during PCB fabrication, automated SMD pickup, and silicon etching processes. For these settings, we install dry-type oil-free rotary screw systems. These setups feature Teflon-free rotor coatings and Class 0 certification, eliminating oil contamination risks and helping plants maintain cleanroom compliance.
Packaging, bottling, and product transport processes require pure, oil-free compressed air. Our water-lubricated oil-free screw systems use food-grade pure water as both a cooling medium and lubricant. This eliminates the risk of oil carryover and provides cooling that keeps discharge temperatures low, preventing dynamic microbial growth in downstream air distribution lines.
Automotive facilities rely on air systems to power heavy tooling, robotic paint sprayers, and welding clamps. Paint applications require air that is free of moisture and oil to prevent paint bubbling and finish defects. Our integrated 4-in-1 units combine refrigeration dryers and deep-filtration systems to consistently achieve a pressure dew point of 3°C, ensuring high-quality surface finishes on assembly lines.
Mining environments require equipment that can withstand high dust levels, extreme vibration, and inconsistent grid voltages. Our heavy-duty IP55 PM motors feature cast-iron housings and oversized air filtration modules designed for harsh, remote locations. These components provide reliable, continuous service for heavy pneumatic drilling and material handling machinery.
The industrial air sector is transitioning from traditional fixed-displacement machines to intelligent, variable systems. Key trends shaping this evolution include:
Variable speed systems adjust compressor output to match changing plant demands. By using permanent magnet synchronous motors (PMSM), modern compressors maintain high torque and motor efficiency even at lower operating speeds. This eliminates energy waste during periods of low production demand, reducing energy consumption and carbon emissions across industrial plants.
Modern air compressor platforms integrate smart IoT gateways to monitor operational data, including discharge pressures, rotor vibration, air-end thermal profiles, and separator pressure drops. This real-time telemetry allows plant maintenance teams to identify potential issues and replace consumables like filters and lubricants before they lead to unexpected system downtime.
For applications over 55kW, dual-stage screw compression is increasingly preferred. Splitting the total pressure ratio across two distinct air-ends reduces internal leakage and lowers the mechanical workload on each rotor stage. This layout improves thermodynamic efficiency, providing higher volumetric air delivery per kilowatt of electrical input.
Shanghai Honest Compressor Co., Ltd. regularly participates in international machinery expos and trade shows. These events allow us to present our latest dual-stage PM VSD screw designs and class 0 dry oil-free compressors to industrial buyers, distribution networks, and engineering partners.
Recent Market Trend Report: According to MRFR analysis, the dry vacuum pump market size is valued at US$ 5.97 billion in 2024. The dry vacuum pump market is expected to grow from US$ 6.17 billion in 2025 to US$ 8.28 billion in 2034, registering stable global expansion.
An oil-free blower and vacuum system designed for low-pressure chemical transport, pneumatic conveying, and wastewater aeration.
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A cost-effective frequency-inverted rotary screw series providing dynamic flow adjustments to reduce unnecessary energy waste.
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Features a sound-dampening enclosure that lowers noise to under 62 dB(A), making it suitable for point-of-use installation on factory floors.
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Features an IP55-rated high-efficiency motor and two-stage compression air-end for reliable performance in harsh, dusty industrial environments.
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A dry oil-free system designed for quiet operation, providing high flow rates without the risk of oil contamination.
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A compact integrated layout utilizing variable frequency permanent magnet technology for high efficiency at lower horsepower ranges.
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Uses water injection to seal and cool the compression chamber, providing quiet, oil-free performance for smaller production workshops.
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High-power two-stage compressor combining variable speed control, direct-drive motor assembly, and a robust inverter panel for demanding workloads.
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