- Optical Lenses Suppliers and Manufacturers

1.High-impact protection certified to ANSI Z87.1,Military Requirements and CE EN166. 2.Widest field-of-view and optically correct goggle lens provide unprecedented visual clarity. 3. 2.8 mm polycabonate high impact lens ,High performance U.S. imported coating provides superior protection against fogging and scratching. 4.Top and lateral forced air vents provide constant airflow while filtration media prevents small particle entry. 5.Interchangeable lenses for various light conditions - Clear, Smoke and Yellow 6.Polycarbonate lenses offer 100% protection from UV-A, UV-B and UV-C rays. 7.Pliable frame material and strapping system seals to face comfortably. 8.Low profile design ensures compatibility with helmet,, binoculars and night-vision systems. 9.Optional Prescription (Rx) Carrier available11.WG:8.1KG 12.BOX SIZE38*18*8.5CM 13.CTN SIZE45*40*38CMM 14.PACKING:02 PCS of single goggles in one box,then105 boxes in one CTN1300 PCS/CTN.

1.High-impact protection certified to ANSI Z87.1,Military Requirements and CE EN166. 2. The widest field-of-view and optically correct goggle lens provide unprecedented visual clarity. 3. 2.8 mm polycarbonate high impact lens , High-performance U.S. imported coating provides superior protection against fogging and scratching. 4.Top and lateral forced air vents provide constant airflow while filtration media prevents small particle entry. 5.Interchangeable lenses for various light conditions - Clear, Smoke and Yellow 6.Polycarbonate lenses offer 100% protection from UV-A, UV-B and UV-C rays. 7.Pliable frame material and strapping system seals to face comfortably. 8.Low profile design ensures compatibility with helmet,sights, binoculars and night-vision systems. 9.Optional Prescription (Rx) Carrier available 11.WG:8.1KG 12.BOX SIZE38*18*8.5CM 13.CTN SIZE45*40*38CMM 14.PACKING:02 PCS of single goggles in one box,then105 boxes in one CTN1300 PCS/CTN.

Dolomite powder is used as a raw material for the production of high-grade glassware, medicine bottles and optical glass. Dolomite powder has limited dosage in paints, confined to be used as filler, mainly playing the role of white pigment. However, due to the coarse particles, refractive index and paint solvent similar to the covering power is weak, there is no certain special role in the application, just for the body pigment filler paint.- Used in the building materials and refractory materials, chemical and agricultural, environmental protection, energy conservation and other fields. - Used in the production of glass and ceramic ingredients; - Used as refractory inner layer, slag making agent, cement raw material, glass flux, kiln industry, building and decoration stone material, paint;

We have good quality Used and New Laptops of all brands. Product Name Used laptops Processor CPU Series: Intel Core i7 4-generation family CPU Type: Intel Core i7 4702MQ CPU frequency: 2.2GHz Core frequency: 3200MHz Bus Specifications: DMI 5 GT / s Three cache: 6MB Core Architecture: Haswell Core / thread count: quad-core / eight thread Storage Device Memory Capacity: 4GB (4GB Ã?? 1) Memory Type: DDR3L (low voltage version) 1600MHz Hard disk capacity: 500GB Hard Description: Support the expansion turn mSATA SSD hard drive Drive Type: No built-in optical drive Display Touch screen: does not support touch Screen Size: 14 inches Aspect Ratio: 16:9 Screen Resolution: 1366x768 Screen technology: LED backlit, matte glare mask Graphics Graphics Type: Dual Graphics (fever-level graphics card + integrated graphics) Graphics chip: NVIDIA GeForce GTX 760M + Intel GMA HD 4400 Memory Capacity: 2GB Memory Type: GDDR5 Memory Interface: 128bit Number of stream processors: 768 Multimedia devices Camera: 720p HD webcam Audio System: Built-in audio chip Speaker: Built-in speaker Microphone: Built-in microphone Network Communications Wireless LAN: 802.11b/g/n wireless protocol Wired LAN: 100Mbps Ethernet card I / O interfaces Data interface: 1 Ã?? USB2.0 +2 Ã?? USB3.0 Video Interface: VGA, HDMI Audio interface: headphone / microphone combo interface Other interfaces: RJ45 (network interface), power connector Reader: Multi-in-1 card reader Input Devices Pointing device: Touchpad Keyboard Description: Full-size keyboard Power Description Battery: 6-cell lithium battery, 5900 mA Life time: 5 hours, the specific time depending on use environment Power adapter: 100V-240V 90W AC power adapter adaptive Exterior Laptop Weight: 2Kg Length: 339.2mm Width: 239.5mm Thickness: 26.4mm Shell material: composite material Case Description: Black Notebook accessories Packing list: Host x1 notebook Power adapter x1 Power cord x1 Manual x1 Warranty card x1 Shipping DOCS 1. Commercial Invoice 2. Packing list 3. Certificate of Origin 4. Bill of Loading 5. Form A/Form E 6. Other documents are according to customer's