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
Calcium Silicon China Foundry Material Manufacturer OBT Company
Model : Calcium Silicon
Calcium Silica Powder China Ore Raw Material Manufacturer OBT Company
Model : Calcium Silica Powder
Ferrosilicon China Ore Raw Material Manufacturer OBT Company
Model : Ferrosilicon
Nickel Block China Foundry Material Manufacturer OBT Company
Model : Nickel Block
Ferrochrome China Foundry Material Manufacturer OBT Company
Model : Ferrochrome
Ferro Manganese China Foundry Material Manufacturer OBT Company
Model : Ferro manganese
Colloidal silica
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
Colloidal Silica Suspension Fast dry binder for back
Model : OBTF3011
Fused Silica Products
4-20um Kurnool grade 99.9% pure fused silica sand factory price per ton for Precision casting
Model : OBT-4-20
Precision casting use refractory materials high purity fused silica sand 20-50 mesh SiO2 99.7%
Model : OBT-20-50
Precision casting use high purity fused silica sand foundry 100-200 mesh SiO2 99.7%
Model : OBT-100-200
99.9 - 99.99% SiO2 0 - 1mm Fused Silica Sand Acidic Acid Refractory Materials
Model : OBT-0-1
3-5mm White High Purity Silica Sand Fused Quartz For Epoxy Resin Ceramics Refractory
Model : OBT-3-5
Precision casting use Refractory high purity fused silica sand 50-100 mesh SiO2 99.7%
Model : OBT-50-100
