Chemicals for use in the process of producing printed circuit boards, namely, resist ink in the nature of solder mask; chemicals for use in the process of producing printed circuit boards, namely, resist ink in the nature of photoresists; chemicals for use in the process of producing printed circuit boards, namely, solder resists; chemical preparations for use in the process of producing printed circuit boards, namely, solder mask; chemicals for use in the process of producing printed circuit boards, namely, etching resist; chemicals for use in the process of producing printed circuit boards, namely, photoresists; chemical preparations for use in photography; photosensitive resists in the nature of solder mask in the form of film for use in the process of producing printed circuit boards; photosensitive resists in the nature of photoresists in the form of film for use in the process of producing printed circuit boards; photosensitive resists in the form of film for sealing optical components; unexposed dry films, namely, mold dry films for display; unexposed dry films, namely, mold dry films with optical properties; unexposed dry films, namely, insulation mold dry films for display; unexposed dry films, namely, insulation mold dry films with optical properties; unexposed dry films, namely, mold dry films for display with optical properties; chemicals for use in the process of producing printed circuit boards, namely, chemical preparations for blocking light in the color of black in the form of paste for use in the process of forming of black matrix; chemicals for use in the process of producing printed circuit boards, namely, chemical preparations for blocking light; chemical coatings for use in the process of producing printed circuit boards; chemical coatings used in the manufacture of printed circuit boards; chemicals for use in the process of producing printed circuit boards, namely, chemical agents for plugging holes on printed circuit boards; chemical sealants for use in the process of producing optical electronics components; synthetic resin that are used as sealants in the process of producing optical electronics components; chemical preparations for industrial purposes; industrial chemicals; conductive adhesives for industrial purposes; glue and adhesives for industrial purposes

Dyes; pigments; paints for blocking light; marking inks in the nature of printing inks for use in the process of producing printed circuit boards; marking inks for use in the process of producing optical components; inks for hole plugging, namely, printing inks for use in the process of producing printed circuit boards; paints for sealing optical components; heat-resistant paints; paints; printing inks for use in the process of producing printed circuit boards; printing inks for use in the process of producing optical components; printing ink

Electrical insulating resists, namely, electrical insulating materials in the liquid form for use in the process of producing printed circuit boards; electrical insulating materials, namely, insulating resin materials for use in the process of producing printed circuit boards; electrical insulating materials, namely, insulating resin materials for use in the process of producing optical electronics components; electrical insulating materials, namely, insulating resin materials for interlayer dielectric materials in the liquid form for use in the process of producing build-up boards; electrical insulating materials, namely, insulating resin materials for interlayer dielectric materials in the liquid form for sealing optical electronics components; electrical insulating materials, namely, insulating resin materials for interlayer dielectric materials for use in the process of producing build-up boards; electrical insulating materials, namely, insulating resin materials for interlayer dielectric materials for sealing optical electronics components; electrical insulating materials, namely, insulating resin materials for interlayer dielectric materials in the form of film for use in the process of producing build-up boards; electrical insulating materials, namely, insulating resin materials for interlayer dielectric materials in the form of film for sealing optical electronics components; electrical insulating materials, namely, insulating coating materials for use in the process of producing printed circuit boards; electrical insulating materials, namely, insulating coating materials for use in the process of producing display panels; electrical insulating materials, namely, insulating coating materials for protecting copper foil on the surface of printed circuit boards; electrical insulating materials, namely, insulating coating materials for use in the process of producing package application boards; electrical insulating materials, namely, insulating coating materials for use in the process of producing flexible printed circuit boards; insulating fillers, namely, electrical insulating materials for protecting copper foil used with holes of printed circuit boards; electrical insulating materials for sealing optical electronics components; electrical insulating materials, namely, insulating resin materials for sealing optical electronics components; electrical insulating materials for use in the process of producing printed circuit boards; semi-processed plastics