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　　In May 2002, the ark agricultural formerly shijiazhuang desai chemical agricultural development center was established, began to poly （aspartic acid applied in agriculture. According to the market demand and development and has developed more than 50 kinds of foliar fertilization fungicide products, in hebei, shandong listed on the market step by step.
　　Sales reached 10 million yuan by the end of 2003. Primitive accumulation in agriculture industry.
　　On April 16, 2004, hebei ark of agricultural science and technology co., LTD. Was set up.
　　On July 1, 2004, hebei ark of research and development of agricultural science and technology co., LTD. Poly （aspartic acid ", the state administration of quality supervision and quarantine by the Chinese academy of sciences, national environmental protection bureau rated the farmers key new products.
　　In September 2004, ark of agricultural science and technology co., LTD. In hebei contain amino acids were the examination and approval of the ministry of agriculture, water soluble fertilizer, and issuing of temporary registration certificate: agricultural fertilizer, 2004 （2004） over the word.
　　In December 2004, hebei ark of agricultural science and technology co., LTD., trace elements were the examination and approval of the ministry of agriculture, water soluble fertilizer, and issuing of temporary registration certificate: agricultural fertilizer, 2004 （2004） over the word.
　　On March 1, 2005, hebei ark of agricultural science and technology co., LTD., in collaboration with the major pesticide production enterprises, developed by foliar fertilizer, fungicide, pesticide, aerosol, maize dwarf agent of more than 180 products.
　　On April 25, 2005, agricultural production base moved to ark LuanCheng YangShi east industrial park, covers an area of 5000 square meters.
　　On August 3, 2005, authorized by national ministry of science and technology the drafting of the farmers and made of poly （aspartic acid standard.
　　In September 2005, hebei agricultural science and technology co., LTD., the examination and approval of the shijiazhuang city agriculture, ark for crop seed business license: JiShiNong kind the betroth a girl （2004） no. 0013.
　　On October 1, 2005, in collaboration with Chinese academy of sciences, the field of poly （aspartic acid to desert region vegetation restoration.
　　On March 1, 2006 the ark agricultural redesign VI manuals, import CIS system.
　　On July 30, 2006, hebei ark of agricultural science and technology co., LTD., pesticide and penetrant products approved by LuanCheng quality technology supervision bureau: Q / 24 fz001-2006, the qualification for production.
　　On August 18, 2006, ark of agricultural science, equity structure adjustment by Mr Li Changming as chairman and general manager.
　　In March 2007, the ark agricultural division to inject fresh blood, team reorganization, forming Xu Jichao Li Changming, general manager, marketing director for the core of marketing team.
　　On May 23, 2007, hebei ark of agricultural science and technology co., LTD., by approved by hebei province agriculture department of hebei province, for organic fertilizer formal boarding card: JiNong fat （2007） no. 3644 approved by the state.
　　Ark co., LTD. Is a young and sincere; The ark is passion, forge ahead!
　　Ark company looking forward to cooperate with you, sharing the joy of success!