About Us
About Us – Granklin (Group) Co., Ltd.
Shanghai Granklin (Group) Co., Ltd., established in 2009, is headquartered in the Shanghai Robotics Industrial Park, occupying a 40,000-square-meter facility. As a high-tech enterprise with independent intellectual property rights, the company specializes in the R&D, design, manufacturing, and distribution of oil-free compressors.
Address: 2255 Meixing Road, Baoshan District Robotics Industrial Park, Shanghai, China.
- GW Series: Intelligent water-injected oil-free air compressors
- GWV Series: Intelligent water-injected variable frequency oil-free air compressors
- GWH Series: Intelligent water-injected variable frequency medium-pressure oil-free air compressors
- GWL Series: Intelligent water-injected low-pressure oil-free air compressors
- GWV-2 Series: Intelligent water-injected permanent magnet variable frequency two-stage oil-free air compressors
- GWYT Series: Intelligent water-injected integrated air compressors
- GWT Series: Intelligent water-injected specialty gas compressors
Related Content:

How to choose an oil-free air compressor for aseptic cold filling
Aseptic cold filling is a very high quality of compressed air in the food and beverage industry, especially to ensure that the air does not contain lubricating oil pollution, so oil-free air compressor has become one of the key equipment. When choosing an oil-free air compressor, several technical specifications need to be considered to ensure […]

Oil-Free Screw Compressors: A Reliable Support for Food Production
Oil-Free Screw Compressors: A Reliable Support for Food Production In the demanding world of food production, equipment reliability and operational efficiency are paramount. One of the critical components in any production line is the air compressor, which must meet stringent quality standards while providing consistent performance. At Granklin, we specialize in providing advanced oil-free screw […]

How to Choose Oil-Free Air Compressors for Automotive Manufacturing
1. Compressed Air Requirements in Automotive Manufacturing Automotive manufacturing is a fast-paced, high-precision industry where efficiency, cleanliness, and performance are key. Compressed air is widely used in various processes, such as assembly lines, pneumatic tools, and quality control. The air quality must meet strict standards to ensure that it does not interfere with delicate components […]

Can an air compressor be used in the operating room?
Operating room compressed air application background The operating room is the core area of medical treatment, and its environment requires a level of 100 cleanliness (ISO 14644-1 Class 5). Compressed air is used in the operating room to drive precision instruments such as bone…

GWL Series “Energy-Saving” Low-Pressure Oil-Free Water-Lubricated Screw Air Compressor
The GWL Series energy-saving oil-free water-lubricated screw low-pressure compressor from Shanghai Grand克林 Group is widely used in industries like textiles, glass, plastics, water treatment, chemicals, and cement, where low-pressure compressors with supply pressures of 0.15-0.4MPa are in demand. It saves over 30% energy compared to conventional low-pressure screw compressors, significantly reducing energy losses.