
PPAP Production Part Approval Process — Key Points You Need to Know
In the automotive and industrial sealing industry, quality is not simply a competitive advantage—it is a mandatory requirement. When manufacturers supply critical components such as oil seals and O-rings to OEMs, Tier 1 suppliers, or global industrial equipment producers, they must demonstrate that every product consistently meets engineering specifications. This is where the Production Part Approval Process (PPAP) becomes essential.



