OBT has been manufacturing and supplying foundy and refractory materials for more than 20 years. Our stable quality and good after-sales service help us to obtain high feedback from European, South America, Japan,Thailand, Korea,Taiwan, Vietnam, Cambodia, Philippine, Malaysia, etc.Our product range:Mullite sandColloidal SilicaPattern WaxChemical additiveApplication:Precision Investment CastingLost Wax CastingRefractory Bricks ManufacturingCoatings industryTextile industryPaper industryPetroleum industryCeramic industryElectronic polishing industry Our advantage:--No.1 largest mullite sand and foundry materials manufacturing and supplying plant in China--200000tons-500000tons production capacity--8 own calcining kilns , maximum 10% cost reduction benefit to customers--5 days of the minimum delivery period--No dust,Low abrasion, higher hardness, uniform particle size distribution makes it the most suitable to the manufacturing process.After 20 years of development, we have become a world renowned company which meet the needs and solves the problems of customers with foundry materials. We will focus on listening to the changing needs of customers and using the power of our core values to be better. We welcome new and old customers from all walks of life to contact us for future business and mutual benefits
casting part
Certificates
Foundry Material
Colloidal silica

Precision casting chemical gel liquid alkaline nano colloidal silica price
Model : OBT-1430

Investment casting materials colloidal silica polishing for making moulds
Model : OBT-27

Precision casting chemical gel liquid alkaline colloidal nano colloidal silica
Model : OBT-1430

Precision casting chemical silica gel liquid alkaline colloidal nano colloidal silica suspension
Model : OBT-1430
Fused Silica Products

Precision casting use refractory materials high purity fused silica sand 20-50 mesh SiO2 99.7%
Model : OBT-20-50

1-3mm Optical glass use high purity fused silica sand SiO2 99.9% quartz sand
Model : OBT-1-3

3-5mm White High Purity Silica Sand Fused Quartz For Epoxy Resin Ceramics Refractory
Model : OBT-3-5
Gas Turbine Wheel Parts

Custom Turbine Combuster Nickel Alloy Titanium Inconel 713 718 Casting OEM ODM Support

Custom Turbine Disc Combuster Parts Nickel Alloy Titanium Inconel 600 625 Casting OEM ODM Support

Custom Turbine Engine Combustion Chamber Nickel Alloy Titanium Inconel 713 718 Casting OEM ODM

Custom Inconel 713 718 Alloy Forging Drone UAV Turbine Wheel Nickel Alloy Titanium Casting

CustomGas Turbine Diffuser Nickel Alloy Titanium Inconel 600 625 Casting OEM ODM Support

Custom Compressor Bearings Nickel Alloy Titanium Inconel 600 625 Casting OEM ODM











