不卡视频一区二区三区,婷婷成人av,国产精品一区视频,久久夜色精品国产噜噜av小说,国产精品性夜天天视频,亚洲日产永久经典,九九国产精品入口麻豆

2007.11.6
Xingtai Steel passed the Quality Management System Certificate of ISO 9001:2008

2007.9
In September 2007, Xingtai Steel was awarded Credit Enterprise of Hebei Province.

2007.8
Xingtai Steel won the honorable title of Advanced Enterprise of Clean Production given by Hebei province EPA.

2007.8.24
In August 2007, Xingtai Steel passed the certificate of ISO/TS16949:2002 (International Automobile Industry Quality Management System Certificate.)

2007.7.17
Xingtai Steel passed the certification of ISO 14001:2004.