We are the largest manufacturer of plant growth regulator in China, we have developed a series of high ?tech plant growth regulators and fertilizers. such as Zinc fertilizer, iron fertilizer, calcium fertilizer, Boron fertilizer. Our star products sodium nitrophenolate was listed as the recommended products to EU by Association Technology Nouvelle De france in 2002. We carrying out the ISO9001:2000 Quality System Standard since 2001 , honored as Chinese Quality Service and Credit AAA Enterprise by the Chinese government in 2002.