We, Quang ninh Pine Stock Company, the biggest manufacturer of gum rosin and turpentine oil from natural crude resin in Vietnam. We have experience in produce gum rosin for over 25 years with the capacity of 22,000 mts per year and our products have got international standard products and accepted by many customers from many countries in the world such as Japanese, Korean, Thailand, American, Italy, Singapore,.... For more information, please contact my viber: 0084936038838