Yunnan Nanbao Biotechnology Co., Ltd. located at Yunnan, China was established in 2001 with registered capital of 62m yuan. In 2009, NANBAO set up a joint venture with the U.S. NCH chemical company in Shanghai, specializing in the finished products sales. Currently our production capacity of pyrethrin 50% has reached 100t/year, and our product has passed CERES and ECOCERT certifications. Combining bio-tech and traditional seedling technology, currently superior strains with average pyrethrin content under scale plantation of above 2.5% have been selected. The best strains with content above 4.0% is under demonstration and promotion. By years of development Nanbao has grown up into the largest and strongest pyrethrin producer in China with covering seedling, planting, production, R&D and marketing.