Shanghai greewon Industrial Co., Ltd. was founded in 2006. With years development,we become a major distributor and tolling manufacturer of specality chemicals, oleochemicals and inorganic  chemicals as well. In 2015, we has merged Shandong Dinxin Chemicals located in Shandong Provice, China, which is a manufacturer of tertiary amine, DMAMA and other Hydrogenation chemicals. Our business including esteem company agent, Tolling maufacturing Chemicals, and Chemicals sourcing.