Green Star Chemical Co.,Limited is a company registered in Hong Kong,based in China,have exclusive agents in America,Canada,South America,Australia,New Zealand,East Europe and West Europe,serve customers all over the world. We offer bulk chemical materials,like urea,brucite,methanol,glycerine,etc. We offer fine chemicals,like ion exchange resin,automotive grade urea,AdBlue/DEF/Arla32,biodiesel,and so on. We offer full set of water treatment equipments and desalination equipments,including standardized and custom-tailor. Welcome to cooperate with us,we will serve you with best service,whatever before-sale or after-sale!