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نمایش سریعCalifornia ww China
Gum Rosin is a kind of natural resin which mainly consists of different types of resin acids, it is easily soluble in many organic solvents and has a special chemical activity. Therefore, it is an important raw material for the production of paper, coating, ink, rubber, soap, electronic industrial products, food grade Ester Gum, etc.
.نمایش سریع
