Chinese President Xi Jinping on Tuesdays visited the Stainless & Precision Steel Company of Taiyuan Iron & Steel (Group) Co, Ltd as part of his inspection tour to north China's Shanxi Province. The company's main products are high-strength stainless and precision steels. It also invented the world's first wide precision strip steel foil which is as thin as 0.02 mm and can be ripped by hand.