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Special steel structure
High frequency welding
High-rise steel structure
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Chen Ximing CWI Certificate
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AWS Welder (include GTAW)
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AWS Welder—Gaohua Chen
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AWS Welder—Neiguo Chen
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AWS Welder—Tongyang Fang
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AWS Welder—Guoxun Gao
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AWS Welder—Xueguang Huang
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AWS Welder—Hongtao Jiang
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AWS Welder—Xiaoyu Jie
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