中国电梯协会理事单位、ISO9001认证企业。
It is member of China Elevator Association and an enterprise certified by ISO9001.
为了改进质量，增加产值并以美国焊接协会的认证获得独特的优势。
To improve quality, increase production and gain a unique advantage with AWS certification.
为了改进质量，增加产值并以美国焊接协会的认证获得独特的优势。
To improve quality, increase production and gain a unique advantage with AWS certification.
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