Ultra refinement bụ mmepe ntụziaka nke elu mma anticorrosive pigmenti n'ọdịnihu.Njirimara ya nke nwere mpaghara elu dị elu, mma njuju na ịgbasa mmiri nke resin nwere ike inye pigmenti anticorrosion nke ọma.Nke a bụ ihe anyị ka na-arụ ọrụ mgbe niile.
Oge nzipu: Ọgọst-27-2021