Diamond Nano-Biochem. Co., Ltd. was founded in 1973. The main service areas we provide can be divided into three categories: chemical raw material manufacturing, agricultural fertilizer, and plant protection materials manufacturing, and international trade. We have obtained ISO 9001 certification in 2003 and continue to export to many countries, such as Japan, Southeast Asia, Australia, South Africa, and so on. We provide OEM, ODM service for a variety of liquid fertilizers, specializing in calcium, silicon, magnesium medium and trace elements fertilizer production. Provide us with your needs and we can help customize your own liquid fertilizer brand, including formulations, label design, gift design and others.