Efficacy Websites:

  • fresnel-solar.com

    China manufacturer - green energy-High efficiency lens concentrate solar...

    Fresnel solar energy collector,solar water heater system and CPV fresnel lens manufacturer

  • lumiumlighting.com

    Lumium Lighting Home

    Lumium Lighting designs and manufactures custom and build-to-order linear fluorescent lighting fixtures for the medium to high-end architectural marketplace.