Gym equipment manufacturers are responsible for designing, developing, and producing fitness equipment for health clubs. National Fitness Industries have to consider the needs of many different types of people when designing their products. They have to take into account the size, weight, and fitness level of the person using the equipment. They also need to consider if the person is a beginner or an expert in fitness. National Fitness Industries Fitness Equipment Manufacturers in Delhi NCR specialize in specific types of exercise machines like treadmills or elliptical trainers. Others focus on different areas like strength training or cardio machines.