Hebei Hankai wiper ring piston
2. Protecting Against Contamination Wheel oil seals act as barriers against external contaminants. Dust, dirt, and moisture can enter wheel assemblies if seals fail, leading to corrosion and degradation of components. Keeping these harmful agents at bay is essential for maintaining the health of the vehicle.
wheel oil seal


25 40 7 oil seal. The 25% 40% 7% oil seal is designed to withstand high pressures and temperatures, making it suitable for use in a wide range of applications, from automotive engines to industrial equipment.

20 35 7 oil seal.
The overlock machine, often referred to as a serger, is another crucial piece of equipment in any sewing studio. Its primary function is to trim and finish fabric edges simultaneously, preventing fraying and ensuring that garments last longer. Overlock machines use multiple threads, typically between three and five, to create a secure seam that stretches along with the fabric, much like what a coverstitch machine does but on a different scale.
coverstitch overlock machine

One of the primary advantages of a multi-needle quilting machine is its efficiency. Quilters can save significant time during the stitching process, which is particularly beneficial for those who take on larger projects or work on quilts for sale. The ability to stitch multiple colors in a single pass not only speeds up production but also enhances the overall quality and creativity of the finished product.
multi needle quilting machine
