ODM Fixed Speed Compressor Supplier & Exporter

High-reliability twin-screw systems, engineered for continuous, full-load industrial operations globally.

Precision Engineering

High Performance Compression Engine Lineup

OEM All In One Slient Industrial Air Compressor

OEM All In One Silent Industrial Air Compressor 7.5KW 11KW 15KW 18.5KW 22KW 4-in-1 Fixed Speed Screw Air Compressor

Integrated 4-in-1 design combining compressor, air receiver tank, refrigerated dryer, and precision filters for a plug-and-play workspace solution.

ODM Two In One Screw Air Compressor

ODM Two In One 7.5kw 10HP AC Power Screw Compressor Fixed Speed Screw Air Compressor with Air Tank

A space-saving twin-screw unit combined with a rugged air tank to ensure steady volume delivery for mid-sized factory applications.

OEM Smart energy saving oil free screw air compressor

OEM Smart Water Lubricating 100% Oil Free Screw Air Compressor with Fixed Speed or VSD PM

Delivers certified ISO Class 0 pure oil-free compressed air using water lubrication technology for critical medical, electronics, and food industries.

China Two-stage 132kw Screw Air Compressor

China Two-stage 132kw High Power Energy-Saving Screw Air Compressor with Variable Frequency Permanent Magnet

Two-stage compression configuration reduces internal thermal loading and optimizes volumetric efficiency for continuous large-scale industrial plants.

ODM 11kw 15hp Air-compressors

ODM 11kw 15hp Air-compressors Screw Rotary Air Compressor / Industrial Air Compressor Supplier

Heavy-duty rotary screw compressor optimized for workshop utility systems requiring constant air pressure and minimum thermal fluctuation.

OEM 132kw Two-Stage Compression variable speed

OEM 132kw Two-Stage Compression High Efficiency Variable Speed Screw Air Compressor Supplier

Utilizes high-output stages with inter-stage cooling to minimize work done under compression, maximizing flow rate per unit kilowatt.

OEM Permanent Magnet Scroll Compressor

OEM Single Stage Permanent Magnet Oil Cooling Permanent Magnet Variable Frequency Scroll Compressor

Features whisper-quiet scroll elements combined with a high-performance PM oil-cooled motor for absolute pressure stability.

ODM Fixed Speed Screw Air Compressor

ODM Fixed Speed Screw Air Compressor Industrial Air Compressor From 7.5kw To 400kw AC Power Screw Compressor

The industrial benchmark for continuous power frequency installations, built to run 24/7 in harsh operating conditions with extreme reliability.

Macro Industry Solutions & The Fixed-Speed Advantage

In modern macro-industrial processing, compressed air remains a vital utility alongside electricity and water. While variable speed drive (VSD) systems are often highlighted for variable loads, fixed speed screw air compressors represent the backbone of heavy manufacturing, metallurgy, glassmaking, chemical processing, and continuous air separation units.

When an industrial plant operates at full, steady-state capacity for extended shifts, the thermodynamic efficiency of a fixed speed screw air compressor running at its design sweet spot outperforms VSD equivalents by bypassing the 3-5% electrical switching loss inherent in frequency inverters. Our industrial twin-screw rotors are engineered precisely to achieve maximum volumetric efficiency at designated motor frequencies, guaranteeing uninterrupted supply and exceptional resistance to grid voltage spikes.

Critical Insight: Continuous process industries require stable pressure baselines. Fixed speed compressors running on direct-driven elastic couplings present fewer points of failure, higher mechanical inertia, and lower heat accumulation in control cabinets.
Industrial Compressor Manufacturing Facility
Technical Architecture

Engineering Roadmap & Performance Metrics

Our engineering architecture centers around the asymmetrical twin-screw rotor profile, featuring a 5:6 ratio that reduces blow-hole leakage by up to 20% compared to traditional 4:6 profiles. This geometry maximizes suction volume while keeping discharge temperatures low. Combined with IP55-rated F-class insulation motors and direct-coupled elastic drive mechanisms, these units achieve extreme efficiency. They avoid the mechanical slip losses of belt-driven systems, ensuring stable power delivery.

Model Series Motor Power (kW / HP) Free Air Delivery (m³/min) Working Pressure (Bar) Driven / Starting Method Noise Level [dB(A)]
XD-8A (Compact Direct) 7.5 kW / 10 HP 0.8 - 1.2 m³/min 7 ~ 12 Bar Direct Driven / Star Delta < 63 dB(A)
XD-15A (Mid-Range) 11 kW / 15 HP 1.5 - 2.0 m³/min 7 ~ 10 Bar Direct / Elastic Coupling < 65 dB(A)
XD-30A (Medium Utility) 22 kW / 30 HP 3.2 - 3.8 m³/min 8 ~ 10 Bar Direct / Star Delta < 68 dB(A)
XD-180A (High Power Base) 132 kW / 180 HP 20.0 - 23.5 m³/min 7.5 ~ 12.5 Bar Two-Stage Power Frequency < 75 dB(A)
XD-540A (Heavy Duty Line) 400 kW / 540 HP 65.0 - 72.0 m³/min 8.0 ~ 13.0 Bar Heavy Duty Direct Coupling < 78 dB(A)
2004
Established in Shanghai
100%
Twin-Screw Inspection Rate
ISO & CE
Global Standards Conformity
480 kW
Maximum Screw System Output
Air End Assembly Workshop
Established Manufacturing Authority

About Shanghai Honest Compressor Co., Ltd.

Founded in early 2004 as a British-owned enterprise, Shanghai Honest Compressor Co., Ltd. operates a large-scale manufacturing plant at NO. 355 Jiajian Branch Road, Malu Town, Jiading District, Shanghai, China. We specialize in design, manufacturing, and global exporting of advanced twin-screw air compressors.

As an international air system solution supplier, our product catalog spans a broad technological spectrum: from small 3kW screw utility compressors to heavy-duty 480kW twin-screw machinery. We also offer water-lubricated oil-free screw systems, high-pressure piston units, gas separation systems, refrigerated dryers, and precise ceramic membrane filtration machinery. This diverse capability ensures we can optimize gas quality, pressure stabilization, and thermal recovery according to client specifications.

Our commitment to rigorous testing and global standards has established us as a trusted OEM/ODM partner for several leading international brands. With CE, ISO, and pressure vessel manufacturing licenses, we guarantee that every unit leaving our Shanghai plant operates reliably under demanding industrial loads.

Application Scenarios

Optimized Solutions Across Key Sectors

Heavy Mining & Construction

Designed with heavy dust pre-filters and high-efficiency fluid separation elements to operate in rugged mining and quarry sites.

Continuous Production Assembly

Delivers stable baseline pressures for automated pneumatic actuators and pneumatic tooling, preventing line stoppage or cycle latency.

Chemical Processing Plants

Engineered for corrosion resistance and reliable control. Features optional explosion-proof motors and remote monitoring capabilities.

Production Assets & Quality Standards

Advanced Production Line & Plant Operations

Four in One Screw Air Compressor Design

Four in One 7.5KW 11KW 15KW 22KW Screw Air Compressor

Features an integrated structure containing the twin-screw compressor unit, refrigerated dryer, line filters, and storage tank in a single compact enclosure.

Low Noise Dry Type Oil Free Screw Air Compressor

Low Noise Dry Type Oil Free Screw Air Compressor

Engineered for cleanroom applications, utilizing special dry rotor coating technology to prevent any oil mist from entering the process air stream.

280kw Low Noise Dry Type Oil Free Screw Air Compressor

280kw Low Noise Dry Type Oil Free Screw Air Compressor

A heavy-duty dry-type oil-free twin-screw unit that provides continuous large volume delivery for pharmaceutical and food production lines.

110Kw/150Hp Two-Stage Rotary Screw Air Compressor

110Kw/150Hp Two-Stage Rotary Screw Air Compressor

Optimized with two-stage compression to reduce internal compression ratios, lowering energy requirements and heat generation per unit air flow.

Two In One 7.5kw 10HP AC Power Screw Compressor

Two In One 7.5kw 10HP AC Power Screw Compressor

Mounted directly on a heavy-duty receiver tank to reduce installation complexity, footprint size, and pipe flow resistance.

Four In One 7.5kw 10HP AC Power Screw Compressor

Four In One 7.5kw 10HP AC Power Screw Compressor

Integrates air generation, storage, drying, and filtration. Designed for fast installation in automotive paint booths and workshops.

Two-stage 132kw high power Energy-Saving Screw Air Compressor

Two-stage 132kw High Power Energy-Saving Screw Air Compressor

Engineered for heavy industrial applications. Features direct drive couplings, star-delta starting, and smart control systems.

VFD PM Two Stage Screw Air Compressor 315kw

VFD PM Two Stage Screw Air Compressor 315kw 1.3Mpa

High-pressure two-stage unit utilizing variable frequency permanent magnet motors to optimize efficiency under variable heavy demand profiles.

7.5kw 10HP AC Power Screw Compressor Fixed Speed

7.5kw 10HP AC Power Screw Compressor Fixed Speed

A highly reliable workhorse compressor designed to deliver constant air pressure with low power frequency components.

All In One Silent Industrial Air Compressor 7.5kw

All In One Silent Industrial Air Compressor 7.5kw

Low vibration, quiet enclosure system with premium internal components and a comprehensive 1-year equipment warranty.

7.5kw 10hp Air-compressors Screw Rotary

7.5kw 10hp Air-compressors Screw Rotary Air Compressor

Features a direct driven elastic coupling, smart PLC control panel, and low noise levels (less than 63dB(A)) for workshop integration.

Energy Saving Air Cooling Screw Compressor Two Stage

Energy Saving Air Cooling Two-Stage Screw Compressor

Maintains optimal rotor linear velocity by distributing compression ratios between two stages within a single casing.

Factory Gallery & Industry Exhibitions

Honest Compressor Factory Workshop
Machining Processing Equipment
Compressor Testing Chamber
Finished Products Area
Rotor Precision Measurement
Industrial Expo Event Booth
Knowledge Hub

Technical Q&A: Optimizing Your Compressed Air System

Q1: What are the main thermodynamic advantages of a fixed speed screw compressor over a VSD unit?
At 100% full load, a fixed speed screw compressor operates with direct mechanical link-up (direct coupling) to the motor without the 3% to 5% power transmission loss of a variable frequency drive inverter. Because it operates continuously at its design speed, rotor clearance and lubrication are thermally optimized for maximum volume production. This makes it highly efficient for baseline continuous process loads.
Q2: How does a two-stage compression engine improve system efficiency in high power applications?
Two-stage compression splits the overall compression ratio between the first and second stages. By utilizing interstage cooling via oil injection, the air temperature entering the second stage is significantly reduced. This brings the compression cycle closer to an isothermal process, reducing the energy consumption by 8% to 15% compared to single-stage units of equivalent capacity.
Q3: Why is dry-type oil-free screw compression vital for medical and food production lines?
Unlike oil-flooded designs that rely on oil for cooling, sealing, and lubrication, dry oil-free compressors feature water lubrication or dry rotors with tight tolerances and specialized coatings. This guarantees that no trace of oil or lubricant vapor contaminates the process air, ensuring compliance with strict ISO 8573-1 Class 0 air purity standards.
Q4: What is the dry vacuum pump market trend and how does it relate to compressor manufacturing?
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. Modern manufacturing practices require clean vacuum systems alongside clean compressed air. The engineering underlying dry vacuum scroll/screw components overlaps significantly with dry-type oil-free air compressors, as both prioritize contamination-free operation in semiconductor and chemical environments.
Q5: What maintenance practices ensure the long-term reliability of twin-screw compressors?
Key maintenance practices include regular monitoring of differential pressure across the air and oil filters, maintaining high-grade synthetic lubricants to prevent rotor varnish, and ensuring clean air intake. For 4-in-1 integrated units, it is also important to regularly inspect the auto-drain valves on the refrigerated dryer and air receiver to prevent water buildup.
Global Export Selection

Industrial Solutions Ready for Export

OEM PM Screw Air Compressor 220v 50hz

OEM 10A-PM Permanent Magnet Screw Air Compressor 220V 50Hz Single Phase

Perfect for locations with single-phase power limits, delivering robust screw performance under normal household voltages.

OEM Industrial Oil Free Vsd Screw Air Blower Vacuum Pump

OEM Industrial Oil Free Vsd Screw Air Blower / Vacuum Pump With Inverter and PM Motor

Combines vacuum extraction and blower functions with oil-free reliability for chemical and waste water treatment facilities.

ODM VFD screw air compressor

ODM VFD Screw Air Compressor 0.7-1.25Mpa Energy Saving up to 30%

Features variable frequency drive technology to adjust motor speed dynamically, matching air output with real-time process demand.

China industrial air dryer suppliers

China Industrial Air Dryer Suppliers Compressed Air Dryer 7.5HP-100HP Refrigerated Air Dryer

Protects downstream instrumentation from moisture by cooling air flow and condensing water out of the line.

China 7.5kw 10HP AC Power Screw Compressor

China 7.5kw 10HP AC Power Screw Compressor Fixed Speed Screw Air Compressor Industrial Air Compressor

A heavy-duty fixed speed unit designed to run continuously in demanding plant environments.

China AC Power Low Pressure Screw Air Compressor

China AC Power 0.3Mpa to 0.5Mpa 3Bar - 5Bar Low Pressure Screw Air Compressor for Industrial Electrical Factory

Delivers high air volume at low pressures, cutting energy waste in glass container production and paper processing.

OEM heatless regenerative adsorption for drying

OEM 0.6m³-60m³ Heatless Regenerative Adsorption for Drying Compressed Air

Delivers dry air with a dew point down to -40°C, meeting the requirements of precision manufacturing lines.

ODM Two-stage Compression 132kw

ODM Two-stage Compression Power Frequency 132kw High Power Energy-Saving Screw Air Compressor

A heavy-duty 132kW two-stage compressor built for continuous, reliable operation in demanding mining and industrial plants.