Exterior and Internal hanging board imhando yekuvaka, iyo inoshandiswa kunze kwemadziro kana mukati mukati memadziro.Iyo yekunze uye yemukati yekurembera bhodhi inofanirwa kunge iine anti-corrosion, yakanyanya tembiricha kuramba, anti-kuchembera, isina radiation, kudzivirira moto, kudzora tupukanana, hapana deformation uye zvimwe zvakakosha zvinhu.Panguva imwecheteyo, ivo vanoda kutaridzika kwakanaka, kuvakwa kuri nyore, kuchengetedza kwezvakatipoteredza uye kuchengetedza simba.