Maintenance shall be done by person having elevator operation certificate;
维保操作必须由持有电梯操作证的人来完成；
Facilities Safety Operation Certificate, Such as Lift Operation License, Hygiene Certificate of Kitchen.
设备安全许可证(如电梯使用许可证明，叉车使用许可证明，厨房卫生许可证等)。
Copy of operation license and qualification certificate of construction enterprise.
施工企业营业执照、资质证书复印件。
Copy of operation license and qualification certificate of construction enterprise.
施工企业营业执照、资质证书复印件。
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