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Cuilong has been selected as the outstanding supplier for nine years by Johnson Controls which is the world top 500. |
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A-class supplier of Dunham-Bush Yantai Co.,Ltd. |
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Won the key high-tech enterprise certificate of national torch plan. |
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Won the honor of “China Top 10 Enterprises in Copper Tube”. |
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Won the industrialization project certificate of national torch plan. |
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Won patent certificate of fuctional heat transfer tube. |
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Cuilong quality film |
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