5S is a quality productivity improvement tool that originated in Japan. The name of 5S comes from the letters S in Japanese: Seiri, Seiton, Seiso, Sheiketsu and Shitsuke, roughly translated into Vietnamese as Sort, Arrange, Clean, Care and Prepare. The purpose of 5S is to create and maintain a convenient, fast, accurate and efficient working environment at every working location.

At PINACO, 5S tools are deployed simultaneously and seriously in Enterprises, creating a new look in professional management style. Workshops and workplaces are clean and orderly; Necessary items are arranged in a visible, easy-to-access, easy-to-return location and streamline with the on-going process to control inefficiencies such as downtime, redundancy, etc. ; employees' sense of disciplinary compliance is enhanced… This is the premise for the successful application of international standards ISO 9001. IATF 16949; ISO/IEC 17025; ISO 14001.