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It is a type of overvoltage protection device that is commonly used in DC arresters. It works by diverting excess current away from the protected circuit and dissipating it as heat. This prevents the circuit from being damaged by excessive voltage. MOVs are typically made from a combination of zinc oxide and other metal oxides and offer excellent protection against surges and spikes in voltage.

Xi'an Tiangong Electric Co., Ltd. (TGE) is a leading high-performance metal oxide varistor manufacturer, TGE was founded in September 2002, the product series of metal oxide varistor can meet the requirements of arresters which cover all voltage level in high voltage power transmission and distribution system. TGE is one of the most professional MOV manufacturers in domestic, who can produce the highest voltage level MOVs cover the most complete specification. Products performances have achieved leading level in domestic, and advanced level in international.

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Varistors, also known as voltage-dependent resistors, are used as part of surge protective devices (SPDs). Varistors are designed to provide protection against transient overvoltages by limiting the voltage across the device to a safe level. Varistors are usually composed of sintered material consisting of zinc oxide grains embedded in a ceramic matrix. When an overvoltage occurs, the varistor exhibits a low resistance, allowing a large current to flow, thereby reducing the voltage across the device. Varistors are available in both AC and DC versions, with a variety of ratings to suit different applications.

Xi'an Tiangong Electric Co., Ltd. (TGE) is a leading high-performance metal oxide varistor manufacturer, TGE was founded in September 2002, the product series of metal oxide varistor can meet the requirements of arresters which cover all voltage level in high voltage power transmission and distribution system. TGE is one of the most professional MOV manufacturers in domestic, who can produce the highest voltage level MOVs cover the most complete specification. Products performances have achieved leading level in domestic, and advanced level in international.

The mov blocks, otherwise referred to as zinc oxide varistors or energy blocks, serve as the core component of arresters. At TGE, we specialize in the production of AC, DC, and high gradient mov varistors, offering a wide range of products to cater to the technical requirements of 1-1100kV MOA and SPD. By 2023, our annual production capacity for mov varistors, including zinc oxide blocks, zno blocks, zinc oxide blocks, and mov discs, will reach 3,000 tons. With stringent quality control measures, advanced technology, and highly automated production lines, TGE ensures the delivery of reliable, safe, and sustainable products.

TGE can provide MOV with excellent protection characteristics for arrester products used in high temperature and high humidity environments such as cable joints, photovoltaics, and wind power.  TGE can be used as a heavy-duty surge arrester MOV for overvoltage protection in petrochemical and metallurgical industries

Xi'an Tiangong Electric Co., Ltd. (TGE) is a leading high-performance metal oxide varistor manufacturer, TGE was founded in September 2002, the product series of metal oxide varistor can meet the requirements of arresters which cover all voltage level in high voltage power transmission and distribution system. TGE is one of the most professional MOV manufacturers in domestic, who can produce the highest voltage level MOVs cover the most complete specification. Products performances have achieved leading level in domestic, and advanced level in international.

High Gradient MOV (Metal Oxide Varistor) GIS Arresters are surge arresters designed specifically to protect sensitive GIS (Gas Insulated Switchgear) equipment from power surges. The arresters contain a unique combination of metal oxide varistors (MOVs) that are specifically tailored to the application. The MOVs are configured in a large variety of series and parallel arrangements to provide the optimal clamping voltage to protect against a wide range of surge voltages. High Gradient MOV GIS Arresters are typically used in industrial and commercial applications where the power system is sensitive to damage from lightning strikes, power outages, and other power system disturbances.

MOV stands for Metal Oxide Varistor. It is a type of surge arrester that is used to protect electrical systems and equipment from overvoltage transients. It consists of a metal oxide material that acts as a voltage-dependent resistor, which limits the voltage across the device.

Welcome to the world of 35kV Duriton Core, the most advanced arrester core in the industry. Our arrester core is made with superior-quality metal oxide varistor (MOV) material to ensure maximum protection, reliability and durability. The Duriton Core is ideal for applications in high-voltage power systems, providing superior protection against lightning, surges, and other excessive voltages. The core is also designed to withstand extreme temperatures, humidity, and mechanical stresses. With a lifespan of over 20 years, it is the perfect choice for power systems and other high-voltage applications. Duriton Core is easy to install and maintain, making it a cost-effective solution for any project. We are confident that our product will provide you with reliable, long-term protection and peace of mind.

Welcome to the world of 35kV Duriton Core, the most advanced arrester core in the industry. Our arrester core is made with superior-quality metal oxide varistor (MOV) material to ensure maximum protection, reliability and durability. The Duriton Core is ideal for applications in high-voltage power systems, providing superior protection against lightning, surges, and other excessive voltages. The 35kv surge arrester core is also designed to withstand extreme temperatures, humidity, and mechanical stresses. With a lifespan of over 20 years, it is the perfect choice for power systems and other high-voltage applications. Duriton Core is easy to install and maintain, making it a cost-effective solution for any project. We are confident that our product will provide you with reliable, long-term protection and peace of mind.

The N2O 580g/615g Cream Charger is made of carbon steel cylinder, the gas is food-grade nitrous oxide, with a purity of up to 99%. Use a cream gun to easily create richer cream. The 615g/580g n2o cream chargers are very suitable for cupcakes, snow-top milk tea, and snow-top coffee. 580g nitrous canisters are available for those requiring larger quantities of nitrous oxide for their culinary endeavors.

duchgroup.com "More than 1100 people at the moment, 25% of whom has undergraduate diploma and 40% has junior college diploma. A company with the largest scale and most professional among the same type of firms in the world. 120 senior engineers, 25 structure and exterior designers, 20 engineers of reverse engineering, 30 mold engineers, 120 CNC technicians, 150 manual processing technicians, 15 duplicated mold technicians, 28 spraying and silk-screen printing technicians, 25 special surface processing technicians and other professional technicians. Three dimensional laser scan machines, more than 200 CNC plastic and metal-processing centers, laser engraving machines, SLA forming machine, vacuum duplicated mold machines, vacuum coating film equipment, ultraviolet rays ovens etc. And any other Supporting facilities, such as spraying, silk-screen printing, pad printing, products' pictures making, Clay figurine, electroplating oxide."

he Lightning connector is a small connector on Apple's mobile devices (and even some accessories) that charges and connects the devices to computers and charging bricks. The Lightning connector was introduced in 2012 with the arrival of the iPhone 5 and, shortly thereafter, the iPad 4. It remains the standard way to both charge them and connect them to other devices such as a laptop, although some devices, such as the 2018 iPad Pro, might use USB-C instead of Lightning as its standard connector. The cable itself is small with a thin Lightning adapter on one side and a standard USB-A adapter on the other. The Lightning connector is 80 percent smaller than the 30-pin connector it replaced and is fully reversible, which means it doesn't matter which way the connector is facing when you plug it into the Lightning port. Lightning data line has 8 pins on each side, and the white part insulates these pins from each other. There is a little bit of indentation on each side of the joint, this is mainly to be able to tighten the "card" in the slot (the internal slot on the left and right sides of a spring). When inserting, the metal part with grounding function will enter the slot first, avoiding the electrostatic problem caused by connecting the signal pin first. The top and sides of the joint are not 100% flat, but slightly rounded. For both sides, it is more convenient to press the spring plates on both sides of the internal slot to insert smoothly. The rounded corners on the top actually have another function -- when inserted, they will first "brush" through eight signal contacts to remove dirt and oxides from them. And inside the slot you can see clearly that only one side has a contact, which actually lowers the height of the slot.

duchgroup.com "More than 1100 people at the moment, 25% of whom has undergraduate diploma and 40% has junior college diploma. A company with the largest scale and most professional among the same type of firms in the world. 120 senior engineers, 25 structure and exterior designers, 20 engineers of reverse engineering, 30 mold engineers, 120 CNC technicians, 150 manual processing technicians, 15 duplicated mold technicians, 28 spraying and silk-screen printing technicians, 25 special surface processing technicians and other professional technicians. Three dimensional laser scan machines, more than 200 CNC plastic and metal-processing centers, laser engraving machines, SLA forming machine, vacuum duplicated mold machines, vacuum coating film equipment, ultraviolet rays ovens etc. And any other Supporting facilities, such as spraying, silk-screen printing, pad printing, products' pictures making, Clay figurine, electroplating oxide."

The vacuum casting technology which uses prototype (SLA laser rapid prototyping piece, CNC products) to make silicone mold under vacuum, and is poured under vacuum conditions, such as PU, ABS, etc. Vacuum casting is also used to clone the prototype or copy the piece. It has different types including vacuum mould casting, vacuum pressure casting, vacuum sand casting and so on. This method is especially suitable for small batch production. It is a low-cost solution to solve experimental production and small batch production in a short time, and can also meet the functional test proofing of some structurally complicated engineering samples.

Vacuum Mould/Pressure/Sand Casting Service China - Duch Grop

duchgroup.com "More than 1100 people at the moment, 25% of whom has undergraduate diploma and 40% has junior college diploma. A company with the largest scale and most professional among the same type of firms in the world. 120 senior engineers, 25 structure and exterior designers, 20 engineers of reverse engineering, 30 mold engineers, 120 CNC technicians, 150 manual processing technicians, 15 duplicated mold technicians, 28 spraying and silk-screen printing technicians, 25 special surface processing technicians and other professional technicians. Three dimensional laser scan machines, more than 200 CNC plastic and metal-processing centers, laser engraving machines, SLA forming machine, vacuum duplicated mold machines, vacuum coating film equipment, ultraviolet rays ovens etc. And any other Supporting facilities, such as spraying, silk-screen printing, pad printing, products' pictures making, Clay figurine, electroplating oxide."

Rapid prototyping is a kind of professional manufacturing technology that is used to produce high-quality entity models of three-dimensional designs. Prototypes are useful for design improvements and can be used as stepping stones for comprehensive production or engineering testing. With the rapid prototyping, you can manufacture parts or the products to test for the component fit and function. According to the analysis results, you can make further adjustments (about the design, shape, materials, etc.) before the products finally enter the market. It can help you effectively save time and costs. A lot of our customers need to manufacture a entity component quickly to verify the feasibility of a design or a part. Nowadays, various kinds of rapid prototyping processes are available. You can choose the process which best suits your needs. With only thirty years around of development, rapid prototyping technology, as its name implies, has already been widely used in many areas. Meanwhile, the rapid prototyping services are still growing at a fast speed.

Silicon on sapphire (SOS) is a hetero-epitaxial process for metal-oxide-semiconductor (MOS) integrated circuit (IC) manufacturing that consists of a thin layer (typically thinner than 0.6 µm) of silicon grown on a sapphire (Al2O3) wafer. SOS is part of the silicon-on-insulator (SOI) family of CMOS (complementary MOS) technologies. Typically, high-purity artificially grown sapphire crystals are used.

Ferrous lactate which functions to enrich and fortify. It is of neutral color and flavor, and is soluble. It is used in acid foods below a pH of 4.5, where there is less susceptibility to oxidation and conversion to the ferric form, which results in discoloration. In higher pH foods, the instability can be prevented by complexing with ligands which prevent browning discoloration. It is used in fortification of drinks and juices.

L-Citrulline, is used as an essential intermediate in the biosynthesis of nitric oxide from L-arginine . It is also used as a nutritional drink and biochemical reagent.

NADP+ is a coenzyme that functions as a universal electron carrier, accepting electrons and hydrogen atoms to form NADPH, or nicotinamide adenine dinucleotide phosphate. NADP+ is created in anabolic reactions or reactions that build large molecules from small molecules. NADPH donates the hydrogen (H) and associated electrons, oxidizing the molecule to create NADP+. For more bulk raw materials for dietary supplements, inquiry now!