Qihui Graphite Co Ltd

Qihui Graphite Co Ltd Qi Hui is a professional engaged in graphite graphite and carbon research and development, productio

22/06/2026

Qihui Graphite by Yihui Casting Graphite mold uses isostatic high-strength graphite with high density and few internal pores, suitable for batch casting of jewelry and gold bars. material has outstanding heat resistance and is not easily softened, oxidized, or cracked during long-term high-temperature operation. It has a higher number of cycles and is more cost-effective for long-term use. Extremely low coefficient of thermal expansion, unchanged cavity size after cold and hot cycles, uniform specifications for each batch of castings, and controllable accuracy. mold does not adhere to precious metals and does not require additional release agents to avoid contamination of the gold material by chemicals, ensuring that the finished product meets the standard of color. Balanced thermal conductivity, uniform solidification of molten metal, significantly reducing casting defects such as porosity and shrinkage. Full specifications can be customized, including multi slot oil tanks, long strip molds, and irregular jewelry molds, which can be processed perfectly with continuous casting machines and vacuum ingot casting machines, balancing production efficiency and product quality.🔥🔥
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17/06/2026

Qihui Graphite by Yihui Casting Quartz Melting Gold Cup is designed for the jewelry casting and precious metal recycling industries, with comprehensive performance suitable for industrial continuous production. High purity quartz substrate has extremely strong inertness, and there is no impurity precipitation when melting gold, K gold, silver platinum, ensuring that the finished product meets the standard of color and reducing rework and scrap. maximum temperature resistance is 1800 ℃, and the structure is stable under high and low temperature cycling conditions, with outstanding resistance to impact and thermal cracking. integrated conical cup body has smooth flow guidance, making pouring less prone to spillage and improving metal recovery rate. full range of specifications is complete, and it can be matched from small sample melting to large batch casting. It is a stable and reliable long-term melting matching consumable for jewelry processing plants and precious metal refining workshops.🔥🔥
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15/06/2026

Qihui Graphite by Yihui Casting Graphite Melting Crucible Kit is specially designed for melting precious metals such as gold, silver, and copper. It adopts isostatic pressing technology, with uniform texture, high strength, high temperature resistance, impact resistance, and long service life. High purity graphite substrate combined with a special formula has excellent thermal stability, can withstand drastic temperature changes, and is not easily damaged. Excellent thermal conductivity, fast heating speed, short melting cycle, significantly reducing energy consumption. Strong chemical inertness, acid and alkali resistance, non stick to metals, easy demolding, no residue, ensuring melting quality. Multiple specifications are available, suitable for equipment such as medium frequency furnaces and high-frequency furnaces, with complete supporting facilities. Non standard sizes can be customized to meet different production needs.🔥 🔥
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Qihui Graphite by Yihui Casting Graphite Stirring Rod is made of 99.99% high-purity graphite refined, with a high temper...
12/06/2026

Qihui Graphite by Yihui Casting Graphite Stirring Rod is made of 99.99% high-purity graphite refined, with a high temperature resistance of up to 3000 ℃. Its strength does not decrease at high temperatures, and its thermal expansion is extremely small. It does not deform or fracture when immersed in precious metal melts for a long time. The material is dense and uniform, with strong thermal shock resistance. It is not easy to crack during sudden cooling and heating, and is suitable for high-frequency melting operations. Strong chemical inertness, does not adhere to metals, does not contaminate the melt, ensures the purity of precious metals such as gold, silver, platinum, etc., reduces losses and slag formation. Smooth surface, precise size, low stirring resistance, high mixing efficiency, assisting in uniform alloy composition and improving casting quality.🔥🔥
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10/06/2026

Qihui Graphite by Yihui Casting Quartz Melting Gold Cup relies on 20 years of jewelry casting technology accumulation, exquisite craftsmanship, and stable quality. Adopting advanced molding and sintering technology, the structure is dense and uniform, without pores or cracks, and does not deform or pe*****te at high temperatures. Strong chemical stability, acid and alkali resistance, no reaction with molten precious metals, ensuring metal purity and purity. Complete specifications, suitable for different capacity melting needs, can be used with induction furnaces and other equipment, strong adaptability. Each product undergoes strict quality inspection and has reliable performance, making it an ideal choice for precious metal casting.🔥🔥
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08/06/2026

Qihui Graphite by Yihui Casting Graphite Mold adopts high-purity and high-density graphite refining, suitable for casting precious metal jewelry such as gold, platinum, and K gold, with excellent performance. Resistant to high temperatures up to 2000 ℃ or above, with strong thermal stability and excellent thermal shock resistance. It is not easily cracked or deformed during rapid cooling and heating, and can be repeatedly used in bulk. Fast and uniform thermal conductivity, shortened melting and cooling cycles, improved production efficiency, and reduced precious metal oxidation losses. Good self-lubricating properties, smooth demolding without adhesion, no need for demoulding agents, avoiding impurity contamination, and the casting surface is smooth and delicate. Chemical stability, no reaction with precious metals, ensuring high purity of castings; The structure is dense and low porosity, effectively reducing porosity and slag inclusion defects. CNC precision machining, precise size, can produce complex cavities, adapt to various jewelry shapes, high yield rate, and help enterprises reduce costs and increase efficiency.🔥🔥
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05/06/2026

Qihui Graphite by Yihui Casting Quartz Melting Bowl is made by high-temperature sintering of high-purity quartz raw materials, which are resistant to high temperatures, acid and alkali corrosion, and suitable for various precious metal melting operations such as gold, silver, and K gold. product has superior thermal shock resistance and is not easily cracked or damaged in sudden cold and hot environments. It can be repeatedly reused. material is chemically inert and stable, does not precipitate impurities during high-temperature melting, does not contaminate precious metal raw materials, firmly preserves the original color of the metal, and greatly improves the yield of castings. inner wall is dense and smooth, and the molten metal is not easily trapped on the wall, making it easy and convenient to clean after completion. We have a complete range of products and specifications in stock, from small gold samples to bulk melting specifications for large factories. We are compatible with various medium frequency melting furnaces and small melting equipment, and have excellent universality. We are a regular melting consumable for jewelry processing factories and private metalworking workshops.🔥🔥
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03/06/2026

Qihui by Yihui Casting Graphite Crucible selects high-density purified graphite substrate, CNC precision machining and forming, focusing on high-end precious metal refining and precision jewelry casting scenes. control of raw material ash content is strict, and there is no problem of slag or material leakage during the smelting process. Metal doping is avoided from the source, effectively improving the color and yield of gold and silver products. Product has uniform density, extremely low internal pores, strong resistance to molten metal pe*******on, and is not easily embedded with residual molten metal. It is easy to demold and greatly reduces the cost of precious metal loss. Uniform and rapid heat conduction, stable furnace temperature conduction, avoiding local high-temperature oxidation, suitable for continuous mass production melting. Excellent heat shock resistance and mechanical strength, resistant to deformation and cracking during long-term cyclic melting, and resistant to slag acid and alkali erosion. Full size can be customized according to needs, suitable for laboratory melting samples and factory scale melting and casting, making it the preferred consumable for refining in the jewelry industry🥳🥳
👉 If you are interested, please feel free to send us a private message to learn more detailed information!

01/06/2026

Qihui Graphite by Yihui Casting Quartz Melting Gold Cup is a high-quality supporting product for precious metal melting process, built with mature production technology, and has outstanding comprehensive performance. It has excellent fire resistance and thermal shock resistance, can adapt to the continuous high-temperature working environment in the workshop, and is not afraid of temperature differences. Pure quartz material isolates pollution, effectively avoiding problems such as metal oxidation and doping, and helps produce high-quality castings. Rich size options to meet different usage scenarios such as manual gold plating, factory mass production, and experimental testing, with simple and convenient installation and adaptation. The cup body is designed to meet the requirements of smelting operations, making it easy to use and easy to maintain in the later stage. Compared to ordinary smelting vessels, this product has stronger durability and outstanding cost-effectiveness. It can ensure stable production operation and reasonably control consumables expenses, making it an ideal choice in the field of precious metal casting.🔥🔥
👉 If you are interested, please feel free to send us a private message to learn more detailed information!

29/05/2026

Qihui Graphite by Yihui Casting high-purity graphite melting crucible kit, dedicated to safeguarding the quality of precious metal melting. Made from carefully selected high-purity graphite with low ash content, the internal impurity content is extremely low, and harmful substances will not be mixed in during the melting process. It maximizes the preservation of the original color and texture of metals such as gold and silver, greatly improving the yield of finished products. The product has outstanding high temperature resistance and oxidation resistance, stable shape under high temperature environment, small thermal expansion coefficient, and precise size without deformation after long-term use. Thermal conductivity is balanced, and the molten metal melts sufficiently, effectively reducing problems such as pores and inclusions. The surface texture is delicate, not easy to adhere to molten materials, easy to clean and maintain, with complete specifications and support for customization. It is widely used in jewelry processing, precious metal smelting and other scenarios.🔥 🔥
👉 If you are interested, please feel free to send us a private message to learn more detailed information!

Address

番禺区沙湾西村
Guangzhou
511440

Opening Hours

Monday 08:00 - 18:00
Tuesday 08:00 - 18:00
Wednesday 08:00 - 18:00
Thursday 08:00 - 18:00
Friday 08:00 - 18:00
Saturday 08:00 - 18:00
Sunday 08:00 - 18:00

Telephone

+8613802846028

Website

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