Insulation copper nails used primarily in foreign fixed on the roof of rock wool insulation. Please enjoy the pictures;

Insulation copper nail plate by the high quality galvanized or copper nails and brass rivet made of copper plus copper nails type. Stud the tip, now widely used in Taiwan, Singapore, Malaysia and other Southeast Asian countries and Arab countries, copper nails, durable, has good toughness. Is the holding nails in the boutique.