Hi-tech industries manufactures model hifll-i single head rotary tube filling and closing machine with coding device. The tube filling and closing machines are simple to operate and comprises one rotating disc with interchangeable tube holding sockets for different tube size. The working principle of the tube filling and closing machines is that the empty tubes should only be fed by the operator and after that all filling, closing, coding and ejection by the machines would be automatic. These tube filling and closing machines are provided with salient features like automatic operations except feeding of tubes, sturdy and compact design, and no tube-no fill system to avoid spillage. Some other specifications of the machines are special pneumatic string cutter for no tailing-no dripping; digital counter for counting filled tubes; and automatic ejection of filled and sealed tubes. The tube filling and closing machines can also be used for filling jars, tins, etc. With a few modifications. The company supplies these filling and closing machines with additional accessories like ss hopper stirrer; jacketed ss hopper; heat control arrangement with thermostat to maintain desired temperature; and vacuum system attachment to clean tubes. These filling and closing machines come with technical specifications like 25 to 23 fills per minute output, up to 35 mm tube diameter, etc.