HLX series screw conveyor£¬ automatic powder or granule raw materials can be directly transported to the host in the hopper£¬ in conveying process of raw material is not affected by pollution£¬ not to any foreign body£¬ can make the production process to realize the automatic closed£¬ installation is convenient£¬ and portable£¬ obviate the necessity of artificial feeding£¬ make it more secure loading£¬time and energy.