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Sunny Optical: Net profit increased by 128.3% to 2.902 billion yuan in 2017, gross profit margin reached a six-year high of 21.5%
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Apple's A-share supply chain saves itself! Enter 5G, develop high-value products, and even "send love" to these big-name companies
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Lianchuang Electronics: A must-have core target in the field of autonomous driving (1)
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1818
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After "breaking up" with Leica, can Huawei mobile phones continue to dominate DxOMark's rankings?
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How much does a restaurant anti-slip agent cost?
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1604
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How do basement sewage pipes drain to the ground?
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