date:2010-9-5 1




　
　
　
- Enterprise Certificate
- Quality Certificate
- Explosion-proof certificate
- Patent
- Honor certificate
- Network certificate
 

 

 
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中国石油天然气集团公司一级供应网络成员单位
 
中国环球工程公司合格市场资源成员证书
 
中国石油辽阳石化分公司市场准入证
 
船用产品型式认可证书
 
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