Dongguan Zuolong Machinery Co., Ltd. is a Chinese manufacturer of high quality automatic cutting machine. Zuolong Machinery always sticks to the business philosophy of 'efficient cooperation and mutual benefit'. We adhere to the enterprise spirit, which is to be hard-working, pragmatic and diligent. It would be our pleasure to partner with you and together, we can create a better tomorrow. The cordless electric scissors of Zuolong Machinery is applicable to the following areas. Zuolong Machinery's products are deeply loved by consumers. Some products of industrial sewing machine series will be shown below. It is strictly tested by our experienced QC team before packing. Its trimmer blades are titanium coated, thus it is resistant to rust. we runs a factory with advanced production equipment, R&D center, and performance inspection center, which provides a strong guarantee for high quality and excellent performance of automatic cutting machine. If you want to purchase our products in bulk, feel free to contact us.

Is this kind of cutting machine positive or negative? The saw blade can't come down. The positive screw is clockwise, the positive screw is clockwise, and the countertooth screw is counterclockwise.Counterclockwise.Generally, we use positive teeth screws.Countertooth screws are rare.Screws: screws are physics and mathematical principles that use the oblique round rotation and friction of objects,Step by step to tighten the tools of the machine parts.Screws are the general statement of fasteners,

Pull the waist head sewing machine pull the needle to do? Threading error,Thread according to the correct method;The elbow positioning is not accurate,Or the gap with the straight needle is too large,The bending needle does not reach the straight machine needle line or the output line is too large,Re-adjust according to the positioning standard of machine needle and elbow needle;The positioning of the dial rod is not accurate or the gap between the straight needle and the elbow is too large,Adjust according to the positioning standard of the dial rod;The rod is deformed,Organize or replace the new dial rod.