OEM Industrial Rotary Screw Air Compressor Suppliers & Factory

Providing High-Efficiency Air Systems & Two-Stage Compression Solutions Globally

2004
Established Year
3KW-480KW
Power Capability
IE4 / IE5
VSD PM Motors
ISO & CE
Global Standards

Information Gain Directive: To optimize pneumatic production costs, smart factories are moving away from fixed-speed single-stage units. Research shows integrating Variable Speed Drive (VSD) Permanent Magnet (PM) motor screw technology yields up to 35% electricity savings.

Deep Technical Insights

The Strategic Imperative of Rotary Screw Air Compressors

In high-demand industrial processing, the reliability of compressed air delivery determines the operational uptime of entire manufacturing plants. Rotary screw air compressors are the backbone of modern factories, operating on a displacement principle where helical rotors sweep air into progressively smaller volumes. Unlike reciprocating piston compressors, rotary screws provide 100% continuous duty cycle, minimal pulsation, high volumetric efficiency, and an exceptionally long lifespan.

As global energy prices climb, optimizing the Specific Energy Requirement (SER) of compressor packages is crucial. Incorporating technologies like permanent magnet variable speed drives (VSD PM) enables the unit to modulate speed in real-time response to systemic load demands, eliminating the wasteful blow-down periods and unloaded operation characteristics of traditional models.

Thermodynamic Optimization

Two-stage screw compression segments the pressure curve into two cycles. By introducing an inter-stage cooling barrier, it approaches isothermal compression, reducing the power draw by 10% to 15% compared to single-stage units operating at identical pressures.

China Factory Advantage

Based in the industrial manufacturing hub of Jiading, Shanghai, we combine precision engineering with highly optimized domestic supply chains. This synergy lowers production costs while maintaining strict quality metrics, competitive warranty programs, and fast global shipping.

Intelligent Control

Equipped with state-of-the-art PLC microcontrollers, our machines support remote IoT monitoring, MODBUS protocol integration, and automatic diagnostic alerts to prevent system downtime before it happens.

Class 0 Cleanliness

For critical applications such as pharmaceuticals, microelectronics, and food & beverage packaging, our dry-type oil-free screw technologies deliver 100% oil-free certified compressed air, keeping process lines contamination-free.

About Shanghai Honest Compressor Co., Ltd.

British-Owned Engineering Heritage in Shanghai

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.

Exhibition & Operations Gallery

  • Factory Operations 1
  • Factory Operations 2
  • Factory Testing Center
  • Manufacturing Line
  • Assembly Shop
  • Shipping Yard
  • Exhibition Hall

High Quality Compression Engines & Packages

Integrated packages, two-stage variables, and ultra-quiet air compressors direct from our manufacturing lines.

Four in One Screw Air Compressor

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

All-in-one space-saving compressor packages integrating receiver tanks, refrigerated air dryers, and inline filters.

Low Noise Oil Free Air Compressor

Low Noise Dry Type Oil Free Screw Air Compressor

Designed to meet Class 0 oil-free air standards with low decibel ratings, perfect for laboratory settings.

280kw Oil Free Screw Air Compressor

280kw Low Noise Dry Type Oil Free Screw Air Compressor

High-flow, dry oil-free air system built to support demanding industrial manufacturing processes.

110Kw Two-Stage Compressor

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

Features a dual rotor design to maximize volumetric output and minimize energy consumption.

Two In One Screw Compressor

Two In One 7.5kw 10HP AC Power Screw Compressor

Compact, highly efficient unit that delivers clean air directly to downstream tools and equipment.

Four In One 7.5kw 10HP

Four In One 7.5kw 10HP AC Power Screw Compressor

An integrated setup featuring a screw compressor, dryer, air receiver, and multi-stage filtration.

Two-stage 132kw high power

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

Engineered with a low pressure ratio per stage, extending rotor life and increasing air production efficiency.

VFD PM Two Stage Screw Air Compressor 315kw

VFD PM Two Stage Screw Air Compressor 315kw 1.3Mpa

Heavy-duty variable speed drive permanent magnet system built for large-scale operations.

7.5kw Fixed Speed

7.5kw 10HP AC Power Screw Compressor Fixed Speed

A reliable, cost-efficient fixed speed air compressor for steady continuous industrial loads.

All In One Silent Industrial Air Compressor

All In One Silent Industrial Air Compressor 7.5kw

Integrated screw air compressor, explosion-proof screw air compressor, factory wholesale. We do many OEM for international famous brands. Energy-saving and ultra silent. High quality accessories. Warranty: 1 year for whole machine. Certification: ISO, CE, etc. Professional online consultant to solve your questions about compressor systems. Free site design consultant, and energy saving solutions to save operation costs.

7.5kw 10hp Air-compressors Specifications

7.5kw 10hp Screw Rotary Air Compressor (Model XD-8A)

Free Air Delivery: 0.8-1.2m³/min
Working Pressure: 7-12bar
PLC Controller: Automatic
Driven: Direct Driven, Elastic Coupling
Motor: 380v/50hz/3ph, IP55
Noise Level: < 63dB(A)

Energy Saving Air Cooling Screw Compressor

Energy Saving Air Cooling Two Stage Screw Compressor

The two-stage compression oil injection screw air compressor features an optimized pressure ratio, minimal leakage, and low noise design. Combining the first-stage and second-stage rotors within a single casing, they are directly driven via front gears to maintain optimal line speed matching gas production.

Global Application Scenarios

Engineered Solutions for Modern Industrial Contexts

We design integrated pneumatic systems that meet the rigorous requirements of diverse industrial applications.

Precision Laser Cutting

Our 20bar high-pressure screw compressors provide the dry, oil-free, high-velocity air flow needed for laser cutting. Maintaining high air purity prevents edge oxidation, cuts down on dross, and ensures clean, precise cuts on stainless steel and aluminum.

Industrial & Mining Operations

Built for extreme environments, our heavy-duty 132KW-315KW models feature IP55/IP54 motors, dual-stage filtration, and robust enclosures to keep systems running smoothly in high-dust and extreme temperature conditions.

Remote & Infrastructure Projects

Our diesel-powered rotary screw compressors feature engines from Cummins, Weichai, and Yuchai. Designed for mining and infrastructure sites without grid access, they deliver robust mobile power wherever it's needed.

Industry Events & Market Insights

Dry Vacuum Pump Market Size Exhibition

Dry Vacuum Pump Market Size, Growth, Trends and Report 2034

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 compound growth.

As a primary supplier of compression systems, Shanghai Honest Compressor Co., Ltd. continuously updates its manufacturing processes. We integrate vacuum solutions and progressive cavity technologies to meet the evolving requirements of clean-room processes, chemical distillation, and semiconductor production.

Technical Q&A: Rotary Screw Compressor Systems

Answering technical questions to help you plan, install, and optimize your compressed air systems.

1. Why should I choose a two-stage rotary screw air compressor over a single-stage system?

Two-stage compressors split the compression work across two distinct rotor chambers. By cooling the air between stages, the system operates closer to an isothermal cycle. This reduces internal leakage, lowers the compression ratio per stage, and cuts energy consumption by 10% to 15% compared to single-stage units at the same pressure.

2. What are the key advantages of VSD PM (Variable Speed Drive Permanent Magnet) motors?

VSD PM motors offer excellent energy efficiency across their entire speed range. Unlike standard induction motors, permanent magnet motors maintain high efficiency even when operating at partial loads. This eliminates start-up power spikes, matches air production to real-time demand, and can lower electric utility costs by up to 35% in plants with variable air requirements.

3. How does a 4-in-1 integrated air compressor station save space and costs?

An integrated 4-in-1 system houses the rotary screw compressor, a refrigerated air dryer, precise inline filters, and a receiver tank within a single compact cabinet. This setup minimizes pipeline pressure drops, reduces the installation footprint, and lowers setup costs compared to installing separate component systems.

4. Which refrigerant option is best for industrial cold dryers (R22, R134A, R407c, R410A)?

The best refrigerant choice depends on your local environmental standards and target dew point. R134A and R410A are widely used globally due to their low environmental impact and stable performance. R407c is common in larger cooling systems, while R22 is being phased out in many regions in favor of more eco-friendly alternatives.