mehrdad sharifzadeh, shahrekord sed and sima news agency, the production of ultra-light wheelchairs for the desert began in the country, and the specialists of a knowledge-based company made them using carbon fiber, which is stronger than other examples. up to 50% lighter for people with mobility problems who use a wheelchair, the lightening of this device can bring ease in doing things , a need that has been met by the experts of a knowledge-based company, which is made of carbon fibers , which are mainly used in the military and military industries. and it can be used specifically, we have a general use for it, and in the field of disabled people, we made vitrai, which , while being light, has high strength, the new generation of wheelchairs made with carbon fibers is half the weight of similar products . the weight of our wheelchairs is from 6 kg to 10 kg . and in general, more than under 12 in the world i mean the kilogram, it is super light, in addition to being light, personalization based on the user's specifications is another advantage of this product. let's say that in additio