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(1)step by step to teach you how to make pu foam
(2)formula for different density foams
to know other density or formulas ,welcome to contact with us by
log in our website, our website you can find it in this video, and you can contact with us by mail in our website
more information about formula and machinery and technical you can contact with me mobile/wechat: 0086-189 2543 3003