Gardner Denver is a global manufacturer of blowers, air compressors, petroleum pumps, water jetting pumps, liquid ring pumps and accessories. Since 1998 Wittig is a part of Gardner Denver Inc. The group is organised in several divisions.

With a world-wide network of representatives, distributors, sales and service offices Gardner Denver provides superior services.

• 螺杆/滑片式空氣壓縮機
• 真空泵