The registration address of the ryutung materials plant in linsu county is located in the village of shiragawa, linsu county. The registration authority is the market supervision authority of linsu county. The legal person is represented by the white guard and operates in the sale of clouds, cylindrites, sands, stone sand, skating powder, calcium powder, asbestos, pebbles, wheat and wheat; iron powder, highland earth, volcanic rock, expansion, silicon algae, glass powder, fruit shells, wood powder, sea pebbles, granite, pigment, active charcoal, nutrient soil, pearl rock, electrical stones, leaking agent, iron oxide paint, salt sand and titanium powder (the legally approved project is to operate with the approval of the relevant department). ***