ZHENG CHANG is a feed machinery and engineering, grain-processing equipment and storage, agro-pastoral feed and oil in one large-scale industrialized local company. ZHENG CHANG, established in 1918, has been keep growing for one hundred years. The company covers an area of over 400 mu, currently with 1500 staff, 20 branches and 30 overseas offices. ZHENG CHANG got the first industry’s ISO9001 International Quality System Certification in China. It is awarded “Keeping Promise & Honoring Contracts enterprise”, “National Key Hi-tech Enterprise”, “National Model of Harmonious Labor Relation Enterprise”, “Asia Famous Brand”, “China Industry Landmark Brand”, etc. Also, some related products passed CE certification and CU-TR certification.