Qingdao Yichang Import & Export Co., Ltd is an international company whose scope of business is mainly on cash crop cultivation, research, manufacturing, export services, etc. The company is the largest standardized demonstration zone of thin-skin walnut cultivation in China, which is particularly rich of natural resources with 200, 000 mu (32, 800 acres) of walnut cultivation base and 15, 000 mu (2, 460 acres) of demonstration base. The product green hill high quality thin-skin walnut has gained green certification (by China green food development center) in 2004 and the national organic food certification in 2008.



The company cooperates with a number of institutes, such as China Agricultural University, Hebei Agricultural University, Southern Yangtze University, mainly on products research and developing. The company's project of walnut deep processing is able to supply 30, 000 tons of original walnut, 15, 000 tons of multi-flavor walnut, 900 tons of refined walnut oil, 100, 000 tons of compound protein walnut drink, and 1, 600 tons of walnut-shell activated carbon. In addition, the company also develops many kinds of brain health products, such as lecithin walnut powder, walnut milk tablet and so on.