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1. Laminated tempered glass (standard for front windshield) Structure: Double layer tempered glass+middle PVB film Core advantage: After being hit by gravel or overturned, the fragments stick to the adhesive film without splashing and injuring people; Sound insulation, heat insulation, pre embedded heating wire defrosting Applicable: Windshield for excavators, loaders, mining trucks, and cranes (mandatory use in safety core areas) Thickness standard: 8-15mm, heavy mining equipment thickened to 18-25mm 2. Single layer tempered glass (side window/rear windshield/top window) After high-temperature tempering treatment, the strength is 3-5 times that of ordinary glass; Broken into sharp edged particles, not easily cut Advantages: Low cost, good transparency, convenient processing of irregular surfaces Applicable: Door side glass, rear windshield, sunroof, forklift simple windshield, sliding machine side window Thickness: 4-10mm, commonly used in construction vehicles with 5/6/8mm thicker versions 3. Hollow insulated glass (for environmental sanitation/cold chain/high-altitude vehicles) Two layer glass hollow seal, thermal insulation, noise reduction, and anti condensation Applicable: Sprinkler trucks, aerial work vehicles, refrigerated engineering vehicles, northern winter work equipment 4. PC polycarbonate bulletproof and impact resistant sheet (special mining/forestry) Non metallic transparent material, weighing 40% -60% lighter than glass, resistant to explosions and giant rock impacts; Equipped with a hard scratch resistant coating Applicable: open-pit mines, logging machinery, explosion-proof engineering vehicles, high-frequency gravel splashing scenes

Suitable for heavy engineering equipment such as excavators, loaders, rollers, mining trucks, forklifts, cranes, sanitation vehicles, harvesters, etc., customized for construction site flying rocks, strong vibrations, large temperature differences, high dust, and all-weather outdoor harsh working conditions. The strength, weather resistance, and protection standards are much higher than ordinary household vehicle glass. Super strong resistance to flying stone impact Capable of withstanding high-speed impacts of 3-5 meters of sand and gravel on construction sites, the thickened version is suitable for mining gravel blasting splashes; Ordinary car glass is easily cracked by construction site stones. Resistant to extreme temperature differences Tolerant to sudden changes in temperature between 40 ℃ and 70 ℃, and not prone to self explosion, fogging, and cracking during high-altitude construction sites and summer exposure to sunlight; Ordinary glass is prone to explosion due to temperature fluctuations. Anti vibration fatigue Suitable for continuous strong vibration conditions of road rollers and mining trucks, with edge reinforcement treatment, it is not easy to crack under long-term bumps. Wear resistant and scratch resistant coating Equipped with a hard anti scratch film as standard, it is less prone to fuzzing and fogging due to frequent wiping and dust erosion, ensuring a clear field of view for a long time. Customization of large curved surfaces with irregular shapes Support deep bends, large arcs, irregular shapes, reserved installation holes for wipers/rearview mirrors, and escape sliding window shapes, matching various non-standard contours of engineering cabins. Multi functional optional process Electric heating wire glass: automatic defrosting and defogging in winter, essential for northern and mining areas Thermal insulation coating: blocks 99% ultraviolet radiation and 85% infrared heat, reducing high temperatures in the cab Silk screen black edge: sealant adheres to prevent UV aging and extend the life of the adhesive strip Explosion proof reinforced interlayer: upgraded version for mining and blasting engineering vehicles

1、Mixing uncertified raw glass, recycled glass, inferior PVB film or printing ink is strictly prohibited, as this will directly result in the invalidation of the 3C certification qualification. 2、Defects including air bubbles in laminated layers, spontaneous breakage of tempered glass, optical distortion and broken heating wires lead to the highest compensation risks for OEM processing; dedicated inspection stations shall be arranged to block such defective products. 3、HUD windshields and ADAS matching glass require extremely high optical precision. They shall be produced with separate molds and dedicated production lines, and mixed production with ordinary glass is forbidden. 4、The OEM factory shall retain test samples of each batch for retesting and accountability in case of mass defects within the warranty period. 5、Confirm the certification requirements of target markets in advance for export orders to prevent finished goods from failing customs clearance.

Visual Inspection 100% inspection on transparent surfaces: no scratches, pits, stones, air bubbles or stains; no white fog or delamination on laminated glass; no missing printing or ink peeling on silk-screened areas. Dimension & Curvature Length, width, curvature and hole positions to be verified with calipers and 3D scanners. Optical Performance Light transmittance, optical distortion and secondary image offset. Mandatory test for windshields to ensure driving vision safety. Safety Performance Tempered glass: Fragment state impact test Laminated windshield: Headform impact test, penetration resistance, radiation resistance, humidity-heat resistance, high-low temperature cycling test Functional Test For heated glass: Power-on test for temperature rise and insulation resistance. For coated glass: Heat insulation and UV blocking performance test. Marking & Etching Permanent etching of 3C/E/DOT marks, model number, production date and factory code; markings shall be clear and wear-resistant. Batch Traceability Each glass piece is assigned a unique serial number. Full records of raw glass, interlayer film, printing ink, production team and manufacturing time are kept for full traceability of defective products.

1. Ingredients, according to the designed material list, weigh various materials and mix them evenly in a mixer. The primary materials for glass include quartz sand, limestone, feldspar, soda ash, boric acid, etc. 2. Melting, heating the prepared materials at high temperatures to form a uniform, bubble free glass liquid. 3. Forming is the process of transforming molten glass into solid products with a fixed shape. Forming can only be carried out within a relative temperature range, which is a cooling process. Glass first transforms from a viscous liquid state to a plastic state, and then to a brittle solid state. Including manual and mechanical forming. 4. Annealing, glass undergoes drastic temperature and shape changes during forming, leaving thermal stress in the glass. If directly cooled, it is likely to split on its own during the cooling process or during future storage, transportation, and use (commonly known as glass cold explosion). In order to eliminate the phenomenon of cold explosion, glass products need to be annealed after forming. Annealing is the process of holding or slowly cooling the glass within a certain temperature range for a period of time to remove or reduce the thermal stress in the glass to a desired value. 5. Tempered, in addition, some glass products can undergo stiffening treatment to increase their strength. Including: physical hardening (quenching), used for thicker glass cups, tabletop glass, car windshields, etc; Chemical stiffening (ion exchange) is used for watch cover glass, aviation glass, etc. The principle of stiffening is to generate compressive stress on the surface layer of glass to increase its strength.

People who often ride in cars may notice a small detail, a small black dot around the edge of the windshield. Many people believe that this is a manufacturer's sticker and do not remove it horizontally or vertically, but some car owners with OCD even want to remove all these "small black spots". So what exactly are these 'little black dots' used for? Can you remove it? There are also many opinions online about these black spots. Let's take a look first and see if there is anyone who shares the same idea as you? 1： Used for capturing and focusing electronic cameras on the road 2： The area at the distance of the black dot allows the radio to sense signals and pass through 3： It is a rain sensor with active wipers 4： Light sensing area of active headlights It seems somewhat possible But in fact, all four statements above are wrong! In fact, these small black dots do have practical scientific applications We will find that the vast majority of car windows have these "small black dots" or other shapes, but they all have one characteristic: they are all black and the picture becomes smaller and smaller until it disappears. In fact, these small black spots have a great effect. They can maintain the car windows in the cold winter or hot summer, reducing external damage to the windows. So how do these small black spots maintain the car windows? Our car glass is fixed to the car with glue. In the hot summer, when the car glass is exposed to sunlight, the temperature of the metal frame around the glass will increase, causing it to swell and increasing the risk of car window explosion. But in winter, the temperature is low and the inside of the car is hot, which leads to a large contrast between the surrounding frame and the center, and there is also a risk of window explosion. And these small black dots gradually turn into urine from the window frame to the center, which is a transition that disperses the heat expansion and reduces the pressure on the window, reducing the risk of explosion. Simply put, the window frame heats up faster and the glass heats up slower. We need to use small black dots to transfer heat and reduce the pressure on the car window, avoiding glass breakage.

1. Ingredients, according to the designed material list, weigh various materials and mix them evenly in a mixer. The primary materials for glass include quartz sand, limestone, feldspar, soda ash, boric acid, etc. 2. Melting, heating the prepared materials at high temperatures to form a uniform, bubble free glass liquid. 3. Forming is the process of transforming molten glass into solid products with a fixed shape. Forming can only be carried out within a relative temperature range, which is a cooling process. Glass first transforms from a viscous liquid state to a plastic state, and then to a brittle solid state. Including manual and mechanical forming. 4. Annealing, glass undergoes drastic temperature and shape changes during forming, leaving thermal stress in the glass. If directly cooled, it is likely to split on its own during the cooling process or during future storage, transportation, and use (commonly known as glass cold explosion). In order to eliminate the phenomenon of cold explosion, glass products need to be annealed after forming. Annealing is the process of holding or slowly cooling the glass within a certain temperature range for a period of time to remove or reduce the thermal stress in the glass to a desired value. 5. Tempered, in addition, some glass products can undergo stiffening treatment to increase their strength. Including: physical hardening (quenching), used for thicker glass cups, tabletop glass, car windshields, etc; Chemical stiffening (ion exchange) is used for watch cover glass, aviation glass, etc. The principle of stiffening is to generate compressive stress on the surface layer of glass to increase its strength.  

The processing difficulty of high-precision curved tempered glass is mainly reflected in aspects such as controlling the curvature accuracy, ensuring the uniformity of glass thickness, high production technology thresholds, and complex post-production inspection. Processing difficulties High radian accuracy is required High-difficulty curved tempered glass requires precise bending while maintaining high strength, with the curvature deviation typically controlled within ≤2mm. If the bending is inaccurate, it can lead to poor fit with the frame during installation, resulting in gaps or stress concentration, which affects the overall structural safety. It is difficult to ensure the uniformity of glass thickness During the hot bending process, the glass is in a softened state at high temperatures (approximately 550–650°C). If the process is not properly controlled, it is easy to cause the middle part to be too thin or too thick. This not only affects the service life, but also may lead to spontaneous breakage or damage due to local stress imbalance during use. The tempering and hot bending processes require coordinated control The curved glass must first undergo hot bending and shaping before being tempered. However, rapid cooling during the tempering process can introduce new internal stresses. If these stresses are not properly superimposed with the bending stress, it can easily lead to ripple deformation, optical distortion, and even cracking. High dependence on molds and equipment Hot bending requires the use of high-precision molds, and different molds need to be customized for different curvatures. The surface quality of the mold directly affects the optical performance of the finished glass product. Defects such as pitting and mold marks can affect the visual effect.

The display glass panel primarily utilizes information display glass, with the core material being TFT-LCD glass substrates made from high-purity quartz sand (siliceous raw material) and ultra-thin flexible glass (UTG). 1. Core material composition TFT-LCD glass substrate Main components: high-purity quartz sand, soda ash, limestone, etc., which are melted at high temperatures to form alkali-free borosilicate glass. Key characteristics: alkali-free, high light transmittance, high flatness, with thickness controllable within 0.5 millimeters, serving as the "load-bearing wall" of liquid crystal display panels. Ultra-thin flexible glass (UTG) Thickness: The thinnest can reach 30 micrometers, which is only 1/4 of ordinary printing paper. Advantages: It can withstand millions of consecutive bends without breaking, and its weather resistance is superior to that of organic materials (such as CPI). It is suitable for folding screen phones and tablets. Strengthening method: Through chemical strengthening (ion exchange) and high alumina formula to enhance toughness, achieving "thin yet strong".