DPI

Compression molding machines; extrusion molding machines; injection molding machines; lens matrixes; lens casting machines

Treatment of materials, namely, metals, plastics, glass; molding services, particularly pressure molding; machining of parts for others

Optical and measuring apparatus and instruments; optical lenses; precision measuring apparatus; optical apparatus and instruments; optical sensors; optical readers; prisms for optical use

Scientific and technological services as well as research and design services relating thereto; industrial analysis and industrial research services; services provided by engineers; surveying [engineering work]; engineering design; design of optical components; design of mechanical and micromechanical components