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| API certificate |
Denmark MAN B&W certificate |
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| ISO9001: 2000 certificate (English version) |
ISO9001: 2000 certificate |
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| Escalator chain: ¡°customer satisfaction¡± product |
¡°IQNET¡± excellent management |
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| Shanghai famous brand |
¡°customer satisfaction unit¡±, ¡°customer satisfaction¡± honor certificate |
