1. Stamping. The material and thickness of the oil filter shell are required to ensure no deformation under high oil pressure.
2. Filtration paper. We will Ensure that the filter area of the product meets the performance requirements.High filtration efficiency and low flow resistance can timely supply oil to all parts requiring lubricating oil.
3. Spiral plate .We are made of the best steel to ensure that it is resistant to high pressure.
4. Assembly.
5. Test. After all the processes are completed, the product should be further tested to see if there are side leakage, to ensure the product's own cleanliness, sealing performance and quality.