Yiho already acquiree iso9001. Integrating operations in both the domestic and international markets is one of the company's long term goals yiho corp. Has established close relations with thousands of industrial and commercial enterprises around the world. We have shaped a multiple market network within the asia-pacific region, and north america as our main markets, and also in europe, the middle east, russia and east europe, latin america and africa as our secondary markets. In the meantime, with joint management as its link, advanced technology as its support, and powerful manufacturers as its backup force, yiho has kept close relations with hundreds of industrial and commercial enterprises, engineering and research institutions, construction companies and research universities in china. Yiho is a comprehensive enterprise combining technology, manufacturing and trade businesses. With a wide business scope, the company has completed numerous industrial and civil contracts such as energy, chemical, and construction. Yiho's main export products are electromechanical products, metals, chemicals, and light industrial products. Yiho also imports advanced equipment and technologies.