Henan bobro Heavy Machinery Co., Ltd.,is a large joint-stock company specialized in manufacturing heavy mining machinery and civilian machinery; it has six production bases with an area of 240,000m2, more than 2000 existing employees, and about 500 sets of big and medium sized processing, riveting, welding and assembly equipment.Read More
Potassium feldspar is widely distributed in many places. After milling, it is widely used in many fields such as glass, ceramic, ceramic body, glass flux, ceramic glaze, porcelain raw material and potash fertilizer.
As a pure natural stone with high usage value, river gravel is formed in the long-term impact, squeeze and friction function. River gravel generally shows the color of black, white, yellow, red, green gray, etc.
The limonite is a kind of common iron mineral. Limonite shows various structures, such as massive, earthy, milky or grape-like structure.
Basalt is the best material for repairing roads, railways and airfield runways. It has the advantages of abrasion resistance, less water consumption, poor conductivity