40 Custom processing of optical lenses; providing technical information in the field of custom manufacturing of semiconductor; custom manufacturing of semiconductors and integrated circuits; technical consultancy in the field of custom manufacturing of semiconductors and integrated circuits; rental of humidifiers for industrial purposes; rental of air purifiers for industrial purposes; rental of air conditioners for industrial purposes; metal treating; additive manufacturing of metals for others; custom additive manufacturing of metals; custom-designed additive manufacturing of parts of resins, plastics, metals, glass or ceramics; additive manufacturing of metals by laser sintering for others; rental of metalworking machine tools; laser processing of metals; test production of metal molded articles for others; 3D printing for others; providing comprehensive material treatment information in the field of metal, glass, plastic, resin, ceramic, stone, semiconductors, rubber, optical glass, quartz glass, diamonds, sapphires, silicon, alumina, zirconia, sintered structural components, titanium alloy, stainless steel, high-speed steel, nickel based alloys, carbon steel, chromium molybdenum, zinc, brass, chromium copper, aluminum alloy, copper, gold, platinum, aluminum, tungsten, die copper, pure titanium, silicon nitride, silicon carbide, aluminum nitride, and hard metal alloy; laser processing of metal surfaces; laser processing of glass surfaces; laser processing of plastic surfaces; laser processing of synthetic resin surfaces; laser processing of ceramic surfaces; laser processing of stone surfaces; laser processing of glass; laser processing of plastics; laser processing of synthetic resins; laser processing of ceramics; laser processing of semiconductors; laser processing of stones; laser removing of coating on metals; laser removing of coating on glass; laser removing of coating on plastics; laser removing of coating on semiconductors; laser removing of coating on stones; rental of machines and apparatus for laser processing of metal surfaces; rental of machines and apparatus for laser processing of glass surfaces; rental of machines and apparatus for laser processing of plastic surfaces; rental of machines and apparatus for laser processing of semiconductor surfaces; rental of machines and apparatus for laser processing of stone surfaces; rental of laser metal processing machines and apparatus; rental of laser glass processing machines and apparatus; rental of laser plastic processing machines and apparatus; rental of laser semiconductor manufacturing machines and systems; rental of laser stone processing machines and apparatus; processing of rubber; processing of plastics; ceramic processing; stone treating; processing of glass, resin, semiconductors, optical glass, quartz glass, diamonds, sapphires, silicon, alumina, zirconia, sintered structural components, titanium alloy, stainless steel, high-speed steel, nickel based alloys, carbon steel, chromium molybdenum, zinc, brass, chromium copper, aluminum alloy, copper, gold, platinum, aluminum, tungsten, die copper, pure titanium, silicon nitride, silicon carbide, aluminum nitride, and hard metal alloy; consultancy in relation to additive manufacturing of metals; information and advisory services in relation to laser processing of metals and synthetic resins; information and advisory services in relation to laser processing of surfaces of metals, glass, plastics, synthetic resins, ceramics and stones; information and advisory services in relation to laser processing of metals, glass, plastics, synthetic resins, ceramics and stones; information and advisory services in relation to laser processing of materials; soldering; rental of soldering apparatus and their parts; rental of metal treating machines and tools