1. Railway/railroad tie plate 2. Progress of precision casting: Sand casting 3. Materials: QT-400-15; QT450-10; QT500-7 4. Quality Control: SGS Your drawings and samples are also welcomed.
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QINGDAO JINGUANGQUAN CASTING CO., LTD.VIP会员第13年
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1. Railway/railroad tie plate 2. Progress of precision casting: Sand casting 3. Materials: QT-400-15; QT450-10; QT500-7 4. Quality Control: SGS Your drawings and samples are also welcomed.
