Shouguang ZhiTongDaoHe Fertilizer Co.,Ltd. was established at the Chinese vegetable homeland - Shouguang, in 2009. It creates a new category of fertilizer - granular water soluble fertilizer, and successfully presents the brand – Cololy,In the year of 2015,we established Shandong Cocoly Fertilizer Co.,Ltd. to specialize in operating the international business of the Cocoly brand .