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Introduction
Historical development
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VALUE SERVICE
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Ethylene unit
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qualification certificate
Introduction
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Honor and qualification
qualification certificate
qualification certificate
certificate of honor
technical invention
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Boiler manufacture license
LR Lloyd's certification
Jiangsu Bosong Engineering Design Class B Qualification Certificate
Pressure vessel design certificate
Pressure piping element certificate
Certificate of integration of the two systems
Project construction general contracting Grade II
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ASME certificate
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Pressure vessel manufacturing license
×
Boiler manufacture license
×
LR Lloyd's certification
×
Jiangsu Bosong Engineering Design Class B Qualification Certificate
×
Pressure vessel design certificate
×
Pressure piping element certificate
×
Certificate of integration of the two systems
×
Project construction general contracting Grade II
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