1. Dobby with 20pieces of levers(14 heald frames, 6color selector) or dobby with 24 pieces of levers(18 heald frames, 6color selector) 2. checked&approved by national quality supervisor center of textile machinery and received quality certificate. 3. with let off, shedding, take-up with slow motion function for pick finding for elimination broken weft fabric( Patent No. ZL..