Sebagian besar produk kami termasuk casting besi cor abu -abu, pengecoran besi ulet diproduksi oleh casting pasir. Alasan utama casting lubang pasir adalah sebagai berikut.
1: Pasir di rongga tidak bersih.
5: Suhunya terlalu tinggi, kecepatan tuangnya terlalu cepat, dan sariawan digulung ke pasir.
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.