Qihui Graphite Co Ltd

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

20/05/2026

🔥 Qihui Graphite by Yihui Casting Graphite Melting Crucible Kit, the best choice for precious metal melting industry! Selected high-quality high-purity graphite raw materials are carefully crafted, with a dense and compact texture, a stable and solid overall structure, and extremely strong high-temperature resistance. It can be adapted to various high-temperature melting operations. The product has excellent thermal stability, is not afraid of sudden temperature changes, is resistant to rapid cooling and heating, and is not easily cracked or damaged. It has outstanding resistance to corrosion and oxidation, and remains intact and durable even after long-term repeated use, effectively reducing the cost of consumables replacement.
Uniform and rapid thermal conductivity, high heating efficiency, significantly improving the melting speed of precious metals such as gold, silver, platinum, and copper, saving time, effort, and energy. The material is pure with few impurities, and the melting process does not mix harmful substances, firmly ensuring the purity of metal raw materials and the quality of finished products. The complete set of accessories is suitable for various melting equipment, with rich styles and specifications, easily meeting various production scenarios such as jewelry casting, precious metal processing, and factory batch melting
👉 If you are interested, please feel free to send us a private message to learn more detailed information!

Yihui Casting high-quality quartz bowls, relying on mature precision craftsmanship for integrated molding, have multiple...
18/05/2026

Yihui Casting high-quality quartz bowls, relying on mature precision craftsmanship for integrated molding, have multiple practical properties such as strong fire resistance, high thermal shock resistance, and corrosion resistance. They are widely used in various scenarios such as jewelry casting, precious metal melting, and sample melting.Product material is pure and flawless, not easily deformed in high-temperature working environments, and will not release any harmful substances. It is safe and reliable to use, with a complete range of specifications and sizes, covering small experimental bowls to mass production of large capacity and multiple styles, fully meeting the diverse needs of customers. It is a practical and cost effective quartz consumable for the jewelry and headwear casting industry.✨✨
👉 If you are interested, please feel free to send us a private message to learn more detailed information!

Qihui Graphite by Yihui Casting Quartz Jacket is made of high-purity silicon dioxide as raw material, and is formed by p...
15/05/2026

Qihui Graphite by Yihui Casting Quartz Jacket is made of high-purity silicon dioxide as raw material, and is formed by precision technology, with high temperature resistance, deformation resistance, and super durability. Excellent thermal stability, size stability under high temperature conditions, suitable for medium/high frequency melting furnaces, protecting crucibles from high temperature damage. The material is non-toxic and harmless, environmentally friendly and safe, and does not release harmful substances during the melting process. It is suitable for jewelry casting, gold coin making and other scenarios. The surface is smooth and easy to clean, not prone to scaling and sticking materials, easy to maintain, and effectively improves melting efficiency. Multiple specifications are available and easy to install, making it an ideal choice for precious metal casting.✨✨
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Qihui Graphite by Yihui Casting Gold Melting Cup is designed for melting gold, platinum, and high-temperature alloys, wi...
13/05/2026

Qihui Graphite by Yihui Casting Gold Melting Cup is designed for melting gold, platinum, and high-temperature alloys, with a focus on high temperature resistance and strong corrosion resistance. Selected fused silica material, high temperature resistance up to 1800 ℃, long-term high temperature use does not deform, does not soften. Strong chemical inertness, acid and alkali resistance, no reaction with precious metal melts, ensuring the purity of metal components. The structure is dense, with high strength and excellent thermal shock resistance. It is not easily brittle after repeated heating and cooling. Complete specifications, optional lid design, reduces heat loss, improves melting efficiency, and is suitable for various jewelry casting scenarios.
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Qihui Graphite by Yihui Casting High Purity Graphite Mold is the preferred mold for precision casting of precious metals...
11/05/2026

Qihui Graphite by Yihui Casting High Purity Graphite Mold is the preferred mold for precision casting of precious metals. With high-purity materials and exquisite craftsmanship, it adapts to the casting and forming needs of metal ingots such as gold, silver, and copper, helping to achieve efficient and high-quality production:
✅Corrosion and oxidation resistance, strong adaptability: After special high-temperature treatment, it is acid and alkali resistant, anti-oxidation, stable in high-temperature melting environment, not easily corroded, and suitable for various precious metal casting conditions.
✅ Uniform thermal conductivity, reducing molding defects: High thermal conductivity allows the metal liquid to cool evenly, avoiding cracks and deformation caused by local overheating or undercooling, and improving the density of the internal structure of the casting.
✅ Self lubricating and wear-resistant, low maintenance cost: low friction coefficient, minimal mold wear during demolding, no need for frequent mold repair and polishing, long-term use still maintains good accuracy, reducing maintenance costs.
✅Customized services to meet specific needs: We can customize molds according to the size and shape of our customers' products, from simple ingot molds to complex shaped molds, with fast sample production to meet personalized casting needs.

08/05/2026

Qihui Graphite quartz melting gold cup adopts precision ceramic processing technology, with uniform cup walls, smooth inner walls, good fluidity of metal melt, and high melting efficiency. Complete specifications, covering commonly used models such as 1-8kg, supporting customization, suitable for laboratory trials and industrial mass production. The covered design reduces heat loss, shortens melting time, and is energy-saving and efficient; The smooth cup mouth facilitates the pouring of molten metal, making it easy to operate and aiding in the efficient production of jewelry casting.🔥🔥
👉 If you are interested, please feel free to send us a private message to learn more detailed information!

06/05/2026

Qihui Graphite by Yihui Casting high-quality shaped graphite products. Relying on high-quality raw materials and precision processing technology, customized shaped graphite is suitable for various special casting conditions, with excellent physical properties and stable user experience, comprehensively solving the production problems of shaped castings, and providing reliable consumable support for jewelry and precious metal casting:
🔥High strength and high density, structurally stable: Isostatic pressure high-purity graphite, with a dense and uniform texture, high compressive and flexural strength, and uniform stress distribution in irregular structures that are not easily damaged.
🔥Strong chemical inertness and wide applicability: does not react with most acids, bases, precious metals, and is suitable for casting various precious metals such as gold, K gold, silver, etc.
🔥Customized design, flexible adaptation: Special patterns, surfaces, and irregular sizes can be customized according to drawings/samples to meet personalized casting mold needs.
🔥Complex and irregular shapes, one-time molding: advanced CNC machining, precise replication of irregular contours and fine patterns, no need for secondary processing, suitable for special molds.
👉 If you are interested, please feel free to send us a private message to learn more detailed information!

04/05/2026

Qihui Graphite by Yihui Casting quartz cup and quartz welding plate are made of high-purity fused silica, with excellent overall high temperature resistance performance, suitable for the whole process of jewelry precious metal processing. Quartz cups have a dense and pure texture, low thermal expansion coefficient, strong thermal shock resistance, and are not easily cracked during sudden cooling and heating. They have stable chemical properties and do not react when melting metals such as gold, silver, and platinum. The inner wall is smooth and non stick, reducing the loss of precious metals. Quartz welding plate surface is flat and sturdy, resistant to high temperatures without deformation or warping, corrosion-resistant and slag resistant, and does not contaminate the workpiece during the welding process, effectively ensuring the cleanliness of the finished product. The two products have excellent craftsmanship, stable structure, can be reused repeatedly, and excellent durability. The brand is complete and the specifications are rich, with a variety of sizes, capacities, and thickness styles to choose from. It can flexibly match different working conditions such as small sampling and factory mass production, and is suitable for multiple processes such as melting, pouring, jewelry welding, and repair. It is a cost-effective set of high-temperature consumables for the precious metal casting and jewelry processing industry.
👉 If you are interested, please feel free to send us a private message to learn more detailed information!

29/04/2026

Qihui Graphite by Yihui Casting high-quality quartz bowl, relying on mature fused silica process refining, focuses on the practical needs of precious metal smelting. Having three core advantages of high temperature resistance, oxidation resistance, and corrosion resistance, it is rigorously adapted to high-strength casting production scenarios. The extremely low thermal expansion characteristics allow the product to maintain structural integrity under sudden cooling and heating conditions, effectively reducing production losses and replacement frequency. The material is pure and free of impurities, and does not pe*****te or react during melting, avoiding metal oxidation and impurities from mixing in, helping to produce high-quality castings. The bowl body is thick and sturdy, resistant to pressure and manufacturing, with rounded edges polished, making it safe and convenient to use. Easy to clean, reusable, and practical. Rich in category specifications, suitable for multiple processes such as small-scale melting, jewelry sampling, and metal melting, providing stable and reliable high-temperature auxiliary consumables for jewelry casting and precious metal processing enterprises.✨✨

27/04/2026

Yihui Casting Graphite Mold is made of high-density and high-purity graphite raw materials, combined with fine processing technology, suitable for various precious metal precision casting scenarios.
🔥Material is dense and stable, resistant to high temperatures and thermal shocks, and is not easily deformed or cracked during long-term high-temperature operations, with a long service life.
🔥Excellent processing accuracy, clear and delicate cavity patterns, strong ability to replicate details, creating three-dimensional exquisite castings.
🔥Stable chemical properties, not easily reacting with molten metal, no impurity precipitation, effectively ensuring the purity of metal melting.
🔥Smooth demolding without sticking materials, reducing surface defects of castings, and minimizing additional processes such as polishing and finishing in the later stage.
🔥Widely adaptable, supporting the molding of multiple categories such as jewelry, hardware, handicrafts, etc., and can customize various shaped styles according to needs.
👉 If you are interested, please feel free to send us a private message to learn more detailed information!

24/04/2026

Yihui Casting specially coated crucible is tailored for high-temperature melting scenarios of precious metals. With mature coating technology and high-quality substrates, it comprehensively optimizes the melting and usage experience. It is a high-quality supporting consumable for jewelry and precious metal precision casting production:
✅High temperature and thermal shock resistance: High purity graphite substrate+dense coating, capable of withstanding high temperatures of up to 2000 ℃, not easily cracked during rapid cooling and heating, suitable for high-frequency melting conditions.
✅Strong corrosion resistance and long service life: The coating isolates slag from acid and alkali corrosion, the substrate is resistant to oxidation, and the service life is extended by more than 50% compared to ordinary graphite crucibles, reducing replacement costs.
✅High thermal conductivity, energy saving and high efficiency: The graphite substrate has fast thermal conductivity, uniform temperature control of the coating, fast melting speed, low energy consumption, stable temperature field, and consistent casting quality.
✅Surface density and easy demolding: The coating is dense and smooth, with low friction coefficient, less precious metal residue, easy to clean, reducing waste, and suitable for precision casting of jewelry.
✅Full range of specifications and wide adaptability: Multiple models of coated crucibles, matched with various melting furnaces from Yihui, easy to install, suitable for melting precious metals such as gold, silver, platinum, palladium, etc.

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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