High quality compound NPK 17-17-17 NPK 10-5-20 fertilizer

We have strong research and development strength, relying on China agricultural university, academy of agricultural sciences' advanced technology and talent advantages, become the north China's largest bio-bacterial manure research and development production base, the first domestic earthworm proteolytic enzymes of microbial fertilizer production base.Always covers an area of 520 mu, of which more than 9000 square meters office building, more than 30000 square meters works...