1. Eropa seni desain, struktur yang kuat, ukuran thbing dan flowder bagian dapat collocated sebagai kebutuhan pelanggan.
2. Memiliki yang sangat baik iklim perlawanan.
3. Ketahanan erosi dan perubahan suhu perlawanan.
4. Sulit cat pelapis yang kuat kemampuan perekat.
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