Ogwe ọnụ ụlọ oyi
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Polyurethane PU Sanwichi nwere mkpuchi maka ime ụlọ oyi
Ihe mkpuchi mkpuchi nke polyurethane bụ nke polyurethane na-arụ ọrụ mkpuchi ọkụ dị mma dị ka ihe dị n'ime ime, na ụdị nchekwa nchekwa plywood nke mejupụtara efere agba agba, efere igwe anaghị agba nchara, efere aluminum embossed, efere salted, galvanized mpempe akwụkwọ, wdg. iji nweta nrụpụta kacha mma nke sistem oyi na friji.
