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Fire Assay, Gold Testing, Jewelry Processing Used Magnesia Bullion Blocks /Cupel Block
US$0.22-1.00
1,000 Pieces
Product profile
Customization
AvailableRefractoriness (℃)
1300Shape
BrickModel NO.
12HBL, 14HB, 24HBL, 32HBLHoles
4-24Feature
Long Time MaterialsType
Refractory MaterialMaterial
Magnesia /Bone Ash /CementTransport Package
Carton BoxSpecification
customizedTrademark
YosionOrigin
ChinaHS Code
6903900000Production Capacity
1000000 PCS/YearKey features
High Recovery Rate: Achieves a recovery rate of 97% to 99% with quick absorption.
High Refractoriness: Withstands temperatures up to 1300 degrees Celsius.
Multi-Sample Efficiency: Allows multiple samples to be processed simultaneously for improved efficiency.
No Edge Grinding Required: Easy to use with no need for edge grinding preparation.
Accurate Results: Ensures accurate and reliable results for standard gold and all samples.
Customizable Sizes: Offers customized sizes and services to meet specific needs.
Diverse Hole Options: Available with 4 to 24 holes for various sample capacities.
Durable Material: Constructed from Magnesia, Bone Ash, and Cement for long-term use.
Company profile

Business Type: Manufacturer/FactoryExport Year: 2016-07-01Nearest Port: Qingdao PortAverage Response Time: ≤11.49hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF
AI-Powered supplier vetting
SummaryQingdao Yosion Intelligent Technology Co., Ltd. is identified primarily as a manufacturer/factory in China, although another record describes its company nature as a trading company. It develops, produces, sells, and services laboratory equipment, including automated sampling and preparation systems, crushers, pulverisers, furnaces, crucibles, and containerized laboratories. The supplier reports ISO 9001 certification, three production lines, stated output of 50 pulverisers and 1,000,000 crucibles, and export activity to multiple global regions since 2016. Its stated lead time is within 15 working days in off-peak periods and 2–3 months during peak periods. Evidence supports technical development, international sales, and claimed service activity, but information is insufficient to confirm financial strength, customization execution, or specific customer cases.
Supplier typeThe supplier is explicitly listed as a Manufacturer/Factory and describes itself as engaged in R&D, production, sales, and service for laboratory equipment. However, a separate record classifies its company nature as a trading company, creating a classification inconsistency that should be clarified.
CertificationsThe supplier explicitly reports holding ISO 9001 certification for its management systems. No additional certifications, certification scope, or validity details are provided.
After-Sales capabilityThe supplier states that it provides sales and service, meticulous service, and technical service, and claims that its service has received consistent customer praise. These statements support the existence of a service capability, although no specific after-sales procedures, service network, response times, or warranty terms are supplied.
R&D capabilityThe supplier explicitly reports R&D activity, independent R&D products, ongoing exploration and innovation, and cooperation with domestic and foreign scientific institutions to design and produce intelligent and modular laboratory equipment. It also reports 31–40 years of total R&D engineer experience, providing direct support for technical development capability.
Production capacityThe supplier reports three production lines and stated annual output of 50 pulverisers and 1,000,000 crucibles. It also provides lead times of within 15 working days off-peak and 2–3 months during peak periods, demonstrating established production operations, although capacity for its full product range is not specified.
Product Q&A
Q:What is the refractoriness temperature of the cupel block?
A:
The refractoriness is 1300 degrees Celsius, while the ash blowing temperature is generally not more than 960 degrees Celsius.
Q:What is the recovery rate of the product?
A:
The product features high refractoriness and quick absorption, achieving a recovery rate of 97% to 99%.
Q:Can I process multiple samples at once?
A:
Yes, multiple samples can be obtained at a time, which greatly improves work efficiency.
Q:Do I need to grind the edges before use?
A:
No, the product is easy to use and does not require edge grinding.
Q:Are customized sizes available?
A:
Yes, customized sizes and services are available for this product.
Send Inquiry
*To:
Qingdao Yosion Intelligent Technology Co., Ltd.
Qingdao Yosion Intelligent Technology Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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