Hangzhou Choisun Bio-tech Co.,LTD, founed in 2003, which is a professional manufacturer of biological agricultural products in China. We involve in multiple fields of pesticide and fertilizer, aquaculture, feed and so on. With the help of many experts and advanced technical information from the science organization, we focus on producing plant extracts in order to make some contribution to human’s health and ecological sustainable development. Our company has been certified by ISO9001, HACCP management system, Reach pre-registration, NOP, E...