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Personne àcontacter Ms. winnie
yanhe, Yancheng, Jiangsu
magnesia oxide tube(MgO tube) with spiral groove outside 1. The size can be customized. 2. Certificate: SGS 3. apperance:white color, vertical 4. Chemical composition: MGO ≥ *9.2% CaO ≤ 0.3% Fe ≤ 0.1% Si ≤ 0.5% Al2O3 ≤ 0.3% 5. it used for intertwining fuse heating elements.