The thorough man of business knows that only by years of patient, unremitting attention to affairs can he earn his reward, which is the result, not of chance, but of well-devised means for the attainment to ends - Andrew Carnegie, Industrialist

東莞市正雄研磨機械有限公司是專業從事生産各類三次元振動研磨機、各類高速研磨抛光機、各類高速脫...[+]