Investment Foundry

With a positive and progressive attitude to customer's interest, our company continuously improves our product quality to meet the needs of customers and further focuses on safety, reliability, environmental requirements, and innovation of Investment Foundry, Refractory Lining, Ceramic Foundry Sand, Fused Cast Refractories, We are seeking for extensive cooperation with honest customers, achieving a new cause of glory with customers and strategic partners. Our business has been focusing on brand strategy. Customers' pleasure is our best advertising. We also offer OEM company for Investment Foundry, Our items are exported worldwide. Our customers are always satisfied with our reliable quality, customer-oriented services and competitive prices. Our mission is "to continue to earn your loyalty by dedicating our efforts to the constant improvement of our merchandise and services in order to ensure the satisfaction of our end-users, customers, employees, suppliers and the worldwide communities in which we cooperate".


  • Renewable Design for Lining Of Furnaces - Quartz Tube – Dinglong

    Renewable Design for Lining Of Furnaces - Quartz Tube – Dinglong

    Lighting We have a wide product range of quartz tubes for lighting applications and can fully meet your demand. Our products can be applied in traditional lighting, automobile lighting, special lighting, germicidal and heating fields. Fiber Optics Optical Fibers are used as a means to transmit light between the two ends of the fiber and find wide usage in fiber-optic commutations. We are proud to be part of this development and are committed to contribute new products and ideas to encounter n...
  • Manufacturer of Refractory Items - Fused Silica Grain Refractory Materials – Dinglong

    Manufacturer of Refractory Items - Fused Silica Grain Refractory Materials – Dinglong

    High purity fused silica (99.98% amorphous) Exceptional thermal shock resistance, UV transparency and near-zero thermal expansion Available in both standard and custom particle size distributions Fused Silica Grain as Refractory Materials Our fused silica grain has different applications as refractory materials due to its ability to withstand continuous exposure to the combination of heat, corrosion, abrasion and impact. Choosing the proper refractory material for an application is criti...
  • 2021 New Style Ceramic Foundry Sand - Quartz Tube – Dinglong

    2021 New Style Ceramic Foundry Sand - Quartz Tube – Dinglong

    Lighting We have a wide product range of quartz tubes for lighting applications and can fully meet your demand. Our products can be applied in traditional lighting, automobile lighting, special lighting, germicidal and heating fields. Fiber Optics Optical Fibers are used as a means to transmit light between the two ends of the fiber and find wide usage in fiber-optic commutations. We are proud to be part of this development and are committed to contribute new products and ideas to encounter n...
  • OEM/ODM Supplier Refractory Sand - Quartz Powder – Dinglong

    OEM/ODM Supplier Refractory Sand - Quartz Powder – Dinglong

    High purity quartz powder (99.2% crystalline) Appearance: white powder Low ionic impurities and low alpha ray emissions Consistent chemistry and carefully controlled particle size distribution A Reliable Product Dinglong quartz powders are flours used in electronics, quartz ware, refractory and other special applications. Due to quartz powder’s high purity, excellent chemical stability and carefully controlled particle size distribution, it is highly demanded in different industries. ...
  • Manufacturing Companies for Investment Casting Companies - Quartz Crucible – Dinglong

    Manufacturing Companies for Investment Casting Companies - Quartz Crucible – Dinglong

    A Reliable Product Quartz crucible is the necessary container for the production of monocrystalline silicon and polycrystalline silicon. It is also the basic equipment for semiconductor industry and silicon solar cell. Our quartz crucibles use Unimin High Purity Quartz Sands, which successfully solve the problem of alkali-free metal spread internally and reduce the impurity density of crucible lining. It also ensures the low content of oxygen and particle defects and makes the crystalliz...
  • Professional China Cristobalite Powder - Quartz Crucible – Dinglong

    Professional China Cristobalite Powder - Quartz Crucible – Dinglong

    A Reliable Product Quartz crucible is the necessary container for the production of monocrystalline silicon and polycrystalline silicon. It is also the basic equipment for semiconductor industry and silicon solar cell. Our quartz crucibles use Unimin High Purity Quartz Sands, which successfully solve the problem of alkali-free metal spread internally and reduce the impurity density of crucible lining. It also ensures the low content of oxygen and particle defects and makes the crystalliz...
  • Online Exporter Insulating Castable Refractory - Fused Silica – Dinglong

    Online Exporter Insulating Castable Refractory - Fused Silica – Dinglong

    High purity fused silica (99.98% amorphous) Available in both flour and grain forms Versatile material for use in refractory application Available in both standard and custom particle sizes distributions Refractory Application Dinglong fused silica is designed for optimal thermal shock resistance, insulating properties, and a low coefficient of thermal expansion. Our fused silica performs excellently in refractory applications that require dimensional stability and where heat retention i...
  • Factory wholesale Casting Refractory Cement - Quartz Crucible – Dinglong

    Factory wholesale Casting Refractory Cement - Quartz Crucible – Dinglong

    A Reliable Product Quartz crucible is the necessary container for the production of monocrystalline silicon and polycrystalline silicon. It is also the basic equipment for semiconductor industry and silicon solar cell. Our quartz crucibles use Unimin High Purity Quartz Sands, which successfully solve the problem of alkali-free metal spread internally and reduce the impurity density of crucible lining. It also ensures the low content of oxygen and particle defects and makes the crystalliz...
  • Special Price for High Temperature Refractory - Fused Silica Powder – Dinglong

    Special Price for High Temperature Refractory - Fused Silica Powder – Dinglong

    High purity fused silica (99.98% amorphous) High volume stability and extremely low thermal expansion coefficient Produced at Dinglong Fangshan Industrial District fusion and processing facility Available in both standard and custom particle sizes and distributions A Reliable Product Dinglong fused silica powders are 99.98% amorphous. Fused silica powder’s consistent chemistry makes it a versatile material for refractory, electronics and foundry applications. These fused silica products ...
  • China wholesale Ceramic Crucible - Quartz Crucible – Dinglong

    China wholesale Ceramic Crucible - Quartz Crucible – Dinglong

    A Reliable Product Quartz crucible is the necessary container for the production of monocrystalline silicon and polycrystalline silicon. It is also the basic equipment for semiconductor industry and silicon solar cell. Our quartz crucibles use Unimin High Purity Quartz Sands, which successfully solve the problem of alkali-free metal spread internally and reduce the impurity density of crucible lining. It also ensures the low content of oxygen and particle defects and makes the crystalliz...
  • OEM Customized Dense Castable Refractory - Fused Silica Grain Refractory Materials – Dinglong

    OEM Customized Dense Castable Refractory - Fused Silica Grain Refractory Materials – Dinglong

    High purity fused silica (99.98% amorphous) Exceptional thermal shock resistance, UV transparency and near-zero thermal expansion Available in both standard and custom particle size distributions Fused Silica Grain as Refractory Materials Our fused silica grain has different applications as refractory materials due to its ability to withstand continuous exposure to the combination of heat, corrosion, abrasion and impact. Choosing the proper refractory material for an application is criti...
  • Manufacturer for Fused Silica Materials - Fused Silica for Refractory Application – Dinglong

    Manufacturer for Fused Silica Materials - Fused Silica for Refractory Application – Dinglong

    High purity fused silica (99.98% amorphous) Low thermal conductivity yields an insulative controlled cooling Available in a variety of standard particle sizes, and can also be customized to your specifications Fused Silica for Refractory Application Our fused silica has excellent volume stability, resulting in near net shape castings. Besides, it is an extremely insulative material with very low thermal conductivity and high thermal shock resistance. It is often used in continuous castin...