As a main raw material in metal powder manufacturing industry, China's annual demand for steel is very large. The sulfur content of the steel determines the quality of steel, which is due to the characteristics of sulfur.
The production of Chinese electrolytic nickel in 1991 was less than 30,000 tons, but after 10 years development, to 2001 it was exceeded 50,000 tons, in 2002 the production was nearly 60,000 tons.
