CSL Powder 42 is changing the game.s water soluble fertilizers that helps crops obtain the necessary nutrients needed to increase yield and quality of the crops. With CSL Powder 42, plants absorb nutrients quickly and efficiently which leads to better, more productive and robust growth. As a name farmers trust, Zhengzhou Bridge Biochem Co. Ltd. focuses on the varying needs of our global clientele so that every farmer meets their agri-goals.