Air Compressor, Compressor, Oil Free compressor made in China, screw air compressor

PRODUTCS

Products and services range from manufacturing, design, R&D, sales, related aftersales installation & repair of air compressor, air treatment equipment, compressed air equipment and air compressor spare parts.

Recent Information

Customer Satisfaction

Crownwell sales team first response within 8 hours, customer satisfaction is the KPI for Crownwell staff.
Quality Assurance

Crownwell on-site technical support available in 56 countries, spare parts on stock to support immediate shipment.
Competitive Price

We provide the most competitive price to our customers, if customers find any other suppliers’price lower than us, customers can contact us directly.
Warranty Policy

Crownwell warranty of products: standard 3 years, extension 5-10 years.

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ABOUT CROWNWELL

Crownwell is an Asia-leading provider of compressed air energy-saving system solutions.

We engage in technology development, technical consulting and technical services in the field of energy saving and smart control technology. As a technology-oriented company, in close cooperation with customers and business partners, and over 15 years of experience, Crownwell innovates for superior productivity.

Company Profile

Currently Compressor business division has 2 offices and 56 agents worldwide， with more than 500 staffs, including more than 180 sales engineers, 200 service engineers, and more than 30000 units compressors.

Units Compressors

More than 500 Staffs

Sales Engineers

Service Engineers

+86-21-59170296
+86-18817705916

sales@crownwell-compressor.com

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25. August 2026

Principles of Air Compressor Selection

30. May 2025

Screw air compressor startup and shutdown operation specifications

Screw air compressor startup and shutdown operation specifications▶Precautions before starting:1. Check the three-phase power supply and confirm that it is normal.2. Open the machine door lock and observe the oil level of the air compressor. The oil level cannot be lower than the lowest level at thi

27. December 2024

Screw Air Compressor Maintenance

Key tipsIt is the season of the year when the screw rotor is rusted. In order to avoid the loss of production caused by the rust of your screw machine due to water accumulation, the following precautions are taken when using it.First of all, we need to understand why water accumulates in the screw m