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Ningbo Zhiqing Valve Co., Ltd. |
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Ningbo Zhiqing Import & Export Co.Ltd. |
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Ningbo Zhiqing Electronic Industrial Co.,Ltd. |
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Shanghai Zhiqing Investment Co.,Ltd. |
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NO.2 LETTER OF PATENT |
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UL certificate |
CSA certificate |
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| Certificate of FM |
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| Production License of Special Equipment |
Certificate of Environment Management System Assessment |
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Certificate of Occupation Health and Safety Management Assessment |
Certificate of Quality Management System |
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