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Technical Achievements
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Technical Achievements
Practical New Patent Certificate—thin wall steel g
April 11, 2013
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Practical New Patent Certificate—large-scaled equi
April 11, 2013
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Practical New Patent Certificate—pipe rack large-s
March 4, 2013
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Practical New Patent Certificate—water stop split
March 4, 2013
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China chemical construction industry Year 2011 exc
July 20, 2012
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China chemical construction industry Year 2011 exc
July 20, 2012
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China chemical construction industry Year 2011 exc
July 20, 2012
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Year 2012 national engineering construction excell
July 20, 2012
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Practical New Patent Certificate—Multifunctional a
July 20, 2012
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Practical New Patent Certificate—automatic submerg
July 20, 2012
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Practical New Patent Certificate—suspended pipe ra
July 20, 2012
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Practical New Patent Certificate—all-position weld
July 20, 2012
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