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To serve the motherland
Time：2014-10-26 15:27
The latest case
- requirements of corrugated ste
- key points of designing corrug
- manufacturing process the corr
- Several terms of corrugated pi
- identify the service life of t
- Characteristics and applicatio
- What is steel corrugated pipe
- Design and calculation method
The latest news
- Introduction of Qijia company
- visitation of the Hengshui Development Zone govern
- photos of Korea from CEO Cao
- Indonesia customer came to our company for inspect
- To serve the motherland
- In 2014 the Qijia afforestation campaign
- 2014 New Year's Day party
- Beautiful company environment
- Foreign customers visit
- Qijia group in 2013 New Year's Day Photo
