- Unitech Combustion Based at Ahmedabad, India, we have acquired core competence in manufacturing a wide assortment of Industrial Burner, Combustion & Control System, and allied products. Incepted in 2004, we have been striving to make improvisations in our range as well as focusing on meeting all the desired needs of the clients. We are counted among the most reputed Manufacturers, Importers, Suppliers, Wholesalers, Traders, and Service Providers of the industry.