Zhengzhou OTO Trading Co., Ltd. is set in Zhengzhou, Our company is engaged in trading of plant growth regulator and also offer related import-and-export servise. We have our own factories, our factories and company make up a whole systerm which contains R&D, manufacture, sales and servies etc.
With superior quality and competitive price, our products are hot sale in China and have been exported to Southeast Aisa, Middle East and South Africa. We sincerely hope to cooperate with friends from at home and abroad to create a prosperous future.