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Round fresnel lens

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China Large fresnel lens ,fresnel lens solar concentrator,spot fresnel lens ,solar fresnel lens ,over head fresnel lens factory

Large fresnel lens ,fresnel lens solar concentrator,spot fresnel lens ,solar fresnel lens ,over head fresnel lens

Large fresnel lens circle shape for solar concentrator D900F890mm size OD900mm shape Circle Material PMMA Focal length 890mm Groove pitch 0.5mm Thickness 5mm Light transmittance 93% Life 8-10 years Temperature ... Read More
2020-02-20 23:46:09
China 50mm round shape PMMA fresnel lens ,Spot fresnel lens ,fresnel lens solar concentrator,fresnel lens price factory

50mm round shape PMMA fresnel lens ,Spot fresnel lens ,fresnel lens solar concentrator,fresnel lens price

50mm round shape PMMA fresnel lens ,Spot fresnel lens ,fresnel lens solar concentrator,fresnel lens price size OD50mm shape Circle Material PMMA Focal length 28/35/39/40/45/50/55/60/70/80mm Groove pitch 0.3mm ... Read More
2020-02-20 00:25:56
China 150mm round shape PMMA fresnel lens ,Spot fresnel lens ,fresnel lens solar concentrator,fresnel lens price factory

150mm round shape PMMA fresnel lens ,Spot fresnel lens ,fresnel lens solar concentrator,fresnel lens price

150mm round shape PMMA fresnel lens ,Spot fresnel lens ,fresnel lens solar concentrator,fresnel lens price size OD150mm shape Circle Material PMMA Focal length 55/70/80/90/100/120/140/200/210mm Groove pitch 0.3... Read More
2020-02-20 00:25:44
China Large fresnel lens circle shape for solar concentrator D900F890mm factory

Large fresnel lens circle shape for solar concentrator D900F890mm

Large fresnel lens circle shape for solar concentrator D900F890mm size OD900mm shape Circle Material PMMA Focal length 890mm Groove pitch 0.5mm Thickness 5mm Light transmittance 93% Life 8-10 years Spec list : ... Read More
2020-02-18 23:06:01
China Factory supply best price and high quality outer diameter 300mm PMMA material round shape spot fresnel lens for sale factory

Factory supply best price and high quality outer diameter 300mm PMMA material round shape spot fresnel lens for sale

Factory supply best price and high quality outer diameter 300mm PMMA material round shape spot fresnel lens for sale Product name Spot fresnel lens Size OD300mm Material PMMA Shape Round Focal length 120/160... Read More
2020-02-18 23:05:42
China Diameter 300 mm Focal length 200mm, PMMA optic Fresnel Lens , Solar concentrator, High light condenser,convex lenses factory

Diameter 300 mm Focal length 200mm, PMMA optic Fresnel Lens , Solar concentrator, High light condenser,convex lenses

Diameter 300 mm Focal length 200mm, PMMA optic Fresnel Lens , Solar concentrator, High light condenser,convex lenses size OD175mm shape Circle Material PMMA Focal length 150mm Groove pitch 0.3mm Thickness 2mm ... Read More
2020-02-18 23:05:31
China Round shape 200mm PMMA material spot fresnel lens/fresnel lens solar concentrator/solar fresnel lens /round fresnel lens factory

Round shape 200mm PMMA material spot fresnel lens/fresnel lens solar concentrator/solar fresnel lens /round fresnel lens

Round shape 200mm PMMA material spot fresnel lens/fresnel lens solar concentrator/solar fresnel lens /round fresnel lens size OD200mm shape Round Material PMMA Focal length 70/80/85/95/100/120/140/150/160/200... Read More
2020-02-16 21:22:40
China Dia 300mm PMMA material round shape spot fresnel lens ,acrylic fresnel lens ,round fresnel lens for solar concentrator factory

Dia 300mm PMMA material round shape spot fresnel lens ,acrylic fresnel lens ,round fresnel lens for solar concentrator

Dia 300mm PMMA material round shape spot fresnel lens ,acrylic fresnel lens ,round fresnel lens for solar concentrator Product name Fresnel lens Material PMMA Size Dia 300mm Focal length 120/160/200/220/260... Read More
2020-02-16 21:21:35
China Large fresnel lens circle shape for solar concentrator circle  D600F300mm factory

Large fresnel lens circle shape for solar concentrator circle D600F300mm

Large fresnel lens circle shape for solar concentrator D600F300mm size OD600mm shape Circle Material PMMA Focal length 300mm Groove pitch 0.5mm Thickness 3mm Light transmittance 93% Life 8-10 years Temperature ... Read More
2020-02-16 21:21:22
China small fresnel lens circle shape for solar concentrator circle spot fresnel lens D120F220mm factory

small fresnel lens circle shape for solar concentrator circle spot fresnel lens D120F220mm

small fresnel lens circle shape for solar concentrator circle spot fresnel lens D120F220mm size OD120mm shape Circle Material PMMA Focal length 220mm Groove pitch 0.3mm Thickness 2mm Light transmittance 93% ... Read More
2019-11-27 23:23:58
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