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ISO 9001 Quality Management System
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Record Form for Foreign Trade Operator
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Assessment Report of SGS-CSTC Standards Technical Services Co., Ltd
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Business License of Industrial and Commercial Bureau
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Material Supplier for China National Petroleum Company
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Certificate of Work Safety Standardization
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Seamless LPG Sample Cylinder letters patent
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All-levels Weighted Sampling Beaker Letters Patent
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Anti-Static Sampling Ropes Letters Patent
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Kerosene and Aviation KeroseneSmoke Point Wick Letters Patent
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