1.Material: aluminum
2.Operating temperature: -50-500 degrees
3.Dimensions: Frame diameter: 86mm, Inner hole diameter: 73mm, Hole position: 7.5mm, Height: 9.0mm
4.Companion lens introduction: GT-78-3, 78-4, 78-24, 78-45, etc.

1.Material: aluminum
2.Operating temperature: -50-500 degrees
3.Dimensions: Frame diameter: 100mm, Inner hole diameter: 85mm, Hole position: 7.5mm, Height: 10.0mm
4.Companion lens introduction: GT-92-2, 92-13, etc.

1.Material: aluminum
2.Operating temperature: -50-500 degrees
3.Dimensions: Frame diameter: 110mm, Inner hole diameter: 98mm, Hole position: 7.5mm, Height: 8.0mm
4.Companion lens introduction: GT-100-35,100-65, 100-4，etc.

1.Material: aluminum
2.Operating temperature: -50-500 degrees
3.Dimensions: Frame diameter: 117.4mm, Inner hole diameter: 98.3mm, Hole position: 7.5mm, Height: 11.0mm
4.Companion lens introduction: GT-110，110-27，106-25，107-7，107-2，106-9, etc.

1.Material: aluminum
2.Operating temperature: -50-500 degrees
3.Dimensions: Frame diameter: 124mm, Inner hole diameter: 104mm, Hole position: 8mm, Height: 8mm
4.Companion lens introduction: GT-114-4, etc.

1.Material: aluminum
2.Operating temperature: -50-500 degrees
3. Dimensions: Frame diameter: 150mm, Inner hole diameter: 132mm, Hole position: 7.5mm, Height: 10mm
4.Companion lens introduction: GT-130-4，130-5, etc.

1.Model: B-90-173-1
2. Material: Aluminum
3. Depth: 1.0mm
4.Color: Silver sand
5. Size: 125 x 420 x 255mm
6. Application: factories, sheds, gas stations, outdoor lights,etc.

1.Model: B-90-174-1
2.Material: Aluminum
3.Depth: 1.0mm
4.Color: Bright silver
5.Size: 125 x 420 x 255mm
6.Application: factories, sheds, gas stations, outdoor lights,etc.

1.Model: B-120-160-1
2.Material: Aluminum
3.Depth: 1.0mm
4.Color: Bright silver
5.Size: 125 x 495 x 145.5mm
6.Application: factories, sheds, gas stations, outdoor lights,etc.

1.Model: B-120-173-1
2. Material: Aluminum
3. Depth: 1.0mm
4.Color: Silver sand
5. Size: 125 x 420 x 255mm
6. Application: factories, sheds, gas stations, outdoor lights,etc.

1. Material: Optical glass (high borosilicate, K9, BK7, BK270)
2. Light transmission: 95% (97% after coating)
3. Refractive index: 1.474
4. Operating temperature: -50-500 degrees
5. Size introduction: Diameter: 67mm, Height: 38.5mm, Steps: 3mm
6. Light angle: 45°

1. Material: Optical glass (high borosilicate, K9, BK7, BK270)
2. Light transmission: 95% (97% after coating)
3. Refractive index: 1.474
4. Operating temperature: -50-500 degrees
5. Size introduction: Diameter: 85mm, Height: 31.75mm, Steps: 3.5mm
6. Light angle: 30°

1. Material: Aluminium
2. Size: Large hole diameter 340mm, Small hole diameter 170mm， Height: 145mm, Depth: 1.5mm
3. Operating temperature: -50-500 degrees
4. Light angle: 90°

1. Material: Optical glass (high borosilicate, K9, BK7, BK270)
2. Light transmission: 95% (97% after coating)
3. Refractive index: 1.474
4. Operating temperature: -50-500 degrees
5. Size introduction: External diameter: 65mm, Internal diameter: 56mm, Height: 3.8mm, Steps: 3mm

1. Material: Aluminium
2. Size: Large hole diameter 415mm, Small hole diameter 110mm, Height: 105mm, Depth: 1.5mm
3. Operating temperature: -50-500 degrees
4. Lighting Angle: 120°

1. Material: Optical glass (high borosilicate, K9, BK7, BK270)
2. Light transmission: 95% (97% after coating)
3. Refractive index: 1.474
4. Operating temperature: -50-500 degrees
5. Size introduction: External diameter: 64mm, Internal diameter: 64mm, Height: 12mm, Steps: 10.7mm