A documentary titled 'China Gets Her Salt'. A map showing the position of China in the world. Positions of salt mines along the sea coast of China marked on the map. The position of salt wells shown on the map. Tze-Kung city which is 900 miles from the sea coast shown on the map. A large number of buildings in the city. Several boats anchored along the coast. Structures on the mines in view.
Well diggers in Tze-Kung, China. Men shape large well drill bit using sledge hammers. Workers using their feet to raise and lower the drill, while one man rotates it by hand. Brine surges forth when they succeed in drilling.Harnessed cattle provide power to raise brine to top of tower in conveyers, from where it is distributed to reservoirs by gravity. Bamboo pipes used in place of metal pipes to transport brine. The workers covering the bamboo pipes with clay-like mud. The pipes laid along long distances.
Workers at salt mines in Tze-Kung, China. Natural gas from the wells is used for evaporation process. The workers move carrying wrought iron basins. Liquid poured into the wrought iron basins. The liquid in the wrought iron basins boiled during reduction process. Soy bean juice is added to remove impurities. The scum is skimmed off and evaporated to form salt. A map showing China. Salt is poured over the map. Horses carrying baggages moving on a road. A hand cart loaded with sacks is pushed by men on a street. Several men moving about on the road. Boats anchored at the bank of a water body. A number of people on the bank. Aerial views of the boats on the bank.