Lock Forming Machine (namely Windlass Bone Machine) is the most widely-used and traditional machinery applied in the manufacture of wind-tubes. However, our products have been improved based on the traditional production, and more customer-oriented, having stepped into the automatic alteration over different functions, which can totally get rid of the trouble in manual change of rollers. The only problem for you is to decide which roller to choose. With the unique design of bending part and the endurable alloy-rollers, it can save the working space and guarantee its lifetime. Besides, our products have combined several functions to maximize the working efficiency, and have been installed with high-strength and endurable needle-alike rolling bearings, which can greatly ensure the precision and accuracy .during the working process. With the reasonable weight, the convenience in movement and the adaption to different working environments, our products have found great popularity in international market.