This model is a new breed independently developed by GULI with the introduction of advanced German core technology. The machine head can intelligently control the lfting, perfect sewing, sewing operation in any range of lfting operations. The machine adopts the connecting rod type feeding structure, which has good durability and balanced feeding. For the bulk-type sewing material and the medium-thickness sewing material with large submergence, the feeding amount of the upper and lower layers can be consistent during the sewing process. The built-in integrated computer control technology provides stable performance and strong anti-interference ability. The use of a large rotary hook reduces the number of bottom line changes and improves work efficiency: the use of fully automatic lubrication devices improves the service lifte of the machine. With voice broadcast, USB socket, new double action knife trimming structure, sealed bottom oil pan, automatic needle position, automatic needle number,automatic counting needle stitching, electronic clamping line, automatic lfting foot and other intelligent Sewing mode. Suitable for sewing medium and thick materials, bags, leather, leather products, sofas, etc.