The screw jacks produced by Guanhang Machinery are made of ductile iron material, and the iron sheet can ensure the structural stability of the top body and ensure wear resistance;

The high-temperature quenched precision steel ratchet group is tightly engaged, making it more convenient to use for tooth detachment. In addition, the internal pure copper gear is super wear-resistant, greatly improving its service life, enhancing safety, and ensuring work quality;

The effect of thickened baking paint is that it is not easy to peel off the paint, effectively anti-corrosion and wear-resistant, not easy to rust, and the surface is also more smooth, flat, and beautiful;

The lifting sleeve is made of stainless manganese steel, and after precision grinding by a centerless grinder, the appearance is bright. The copper sleeve nut inside is durable and lifting is also more labor-saving.