PDMS is a 3D modeling software used for piping design. It allows users to design pipe routes and equipment in a 3D environment. The software can generate reports, data sheets, drawings and 3D models from the piping design. It is commonly used for projects in oil, gas and other process industries for tasks such as piping design, HVAC design, structural design, and plant layout. The document discusses the capabilities of PDMS and lists the qualifications and certifications of PT Seco, a company that provides PDMS consulting services.