| hello. I'm the original designer and manufacturer of the reporter wireless alert from the year 2000 until now. I have a new product in design that requires a flat lens. I would like to know what stand... 本信息还可被浏览: +++
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| I want largest size Fresnel Lense to concentrate the solar heat on boiler to produce the Electricity using steam Boiler, steam Turbine My preferable size is 1000mm diameter | |
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| We're looking for fresnel lens for our led street lights and floodlights. We want a the fresnel lens as thin as possible and it has an angle of 60 degree or 90 degree for our floodlights. Do you have... | |
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