What's the cupels 

Cupels are made from high quality dead burnt magnesia (MgO). Hard, smooth surface with consistency in weight and size. Provide exceptional results in gold mines, precious metal refiners, alloy melters, hallmarking, geological and test laboratories worldwide.

2.Products show 

  Widely Used for smelting and assaying

• Precious Metal Analysis
• Mining Laboratory
• Laboratory Testing
• Mineral Assaying
• Fire Assaying 
• Gold Assaying

1.15 years experience with manufacturing and selling crucibles, cupels, bone ash and        furnaces

2.Regarded as a leader in the fire assay experimental facilities industry in china

3. with a strong reputation for our high quality products

4. manufacture and service the market with a variety of ceramic shapes to melt steel alloys, precious metals, and glass.

5. insist on using advanced and mature technology and techniques in production with high-standard quality control system.

6.Got clients from all over China, and export the products to Canada, Australian, Spanish and South Affric etc.