several steel mills and smelting works in China regarding to pollution’s problem solving. 3. Increase in conversion cost around 2.66% comparing to the same period last year. 4. Increase in selling and

regarding to pollution’s problem solving. 3. Better conversion cost rate around 1.34% comparing to the same period last year. 4. Increase in selling and administrative expenses around 2.44 million baht or

mills and smelting works in China regarding to pollution’s problem solving. 3. Increase in conversion cost rate around 0.62% comparing to the same period last year. 4. Increase in selling and

the production slowdown of several steel mills and smelting works in China regarding to pollution’s problem solving. 3. Decrease in conversion cost rate around 0.68 comparing to last year. 4. Increase