Qingdao Haidelong Biotechnology Co., Ltd. was established in 2008.It is a high-tech enterprise which is engaged in the R&D,production, import and export of organic and environmentally friendly new fertilizers, and the promotion and application of agricultural technology.Over the years,we have made many kinds of crops nutrition programs by means of analysis of soils and climates. Combining with the growth characteristics and nutrition requirements rules of crops, we customize or upgrade crop nutrition programs.We are also cooperating with many international famous enterprises and research institutes such as Japan Marubeni Corporation, KATAKURA CO-OP AGRI Co., Ltd., JCAM AGRI.CO., LTD., SUN AGRO CO., LTD., Flora Co., Ltd., Yoshizawa Lime Industry CO., LTD., ACM Co., Ltd., France Angibaud, Spain Probelte, Helena Agri-Enterprises, LLC, PHYTOCHROME, Taiwan Fertilizer CO., LTD., and Ocean University of China .Based on marine resources, we produce marine biological products such as seaweed extract,fish protein,chitin.We also have product as Potassium Humate,Amino acid and so on.We have carried out a large number of applications on various crops and achieved good results in improving soil, crop quality and yield.We have a professional production line,R&D team and sales team.We can also supply customized service according to your needs.Facing new opportunities and challenges, we will continue to adhere to the concept of "Cooperate with global partners to help farmers grow", and contribute to the healthy development of green healthy foods and agriculture of the world with high-quality agricultural material products and services .