Researched and manufactured on the base of advanced German technology, This model controlled by micro-computer, have many traits such as simple structure, convenience in operation and maintenance, low maintenance cost and high output etc. This machine is applied to weave 600D-1800D flat yarn. The bags produced by it are widely used for packing powder and granule materials. Especially, oil-free rolling shuttles make this model much more energy-saving (about 30%). Meanwhile the bags are much easier to coat and print because there is no oil stains at all.