2016_Эртний монголчуудын үйлдвэрлэлийн түүх төсөл.pdf
The cemetery of Shombuuziin Belchir provides rare introspections into the nature of hinterland areas of the Xiongnu Empire, and the well-preserved and often unlooted graves at the site offer new information about Xiongnu burial customs and society.
Хятад Өрөмдлөгийн натри/кальци/органик бентонит шавар…
Product description: Main features of bentonite: 1. High concentration and pulping rate; 2. Excellent ability to transport drilling cuttings in suspension; 3. It has a long acting time and keep the mud stable for a long time after mixing. 4. It …