| Development Course： |
| In 28, Sep., 2000, Zhangjiagang City Yiyang pipe Producing Co. LTD was set up. |
| In 2001, Zhangjiagang City Yiyang Pipe Producing co., Ltd acquired ISO9001-2000 Certificate and England National Quality Proof. |
| In 2003, sales revenue broke through RMB 0.2 billion. |
| In Jan.2004,”Yiyang’s bearing steel tube” of Zhangjiagang City Yiyang Pipe Producing Co.,Ltd acquired “famous brand of township enterprise in Jiangsu province,2003” |
In Feb.2004, cooperated with 香港庄臣公司，Zhangjiagang Yichen Steel Tube Co. Ltd was set up formally, which had 140 mu of covering area, total capital of 3.6 million dollars, and produced 25 thousand tons one year. |
| In July, 2004, Zhangjiagang City Yiyang Pipe Producing Co.,Ltd became the member of Chamber of import and export trade in Jiangsu province |
| In Oct., 2004,Hongze Jjiecheng Pipe Producing factory was founded with total capital of RMB 30 million which stood for our company formally entering the fields of Titanium alloy steel tube. |
| In Nov., 2004, Zhangjiagang City Yiyang Pipe Producing Co.,Ltd was elected as “credible enterprise of 2004” by People’s government of Zhangjiagang city . |
| In Jan., 2005, Zhangjiagang City Yiyang Pipe Producing Co.,Ltdwas elected as “advanced collectivity of 2004” and “ ten best of private enterprises“. |
| In June.2005, Zhangjiagang City Yiyang Pipe Producing Co.,Ltd was elected as “AAA” credible enterprise. |
| In Nov., 2005, Zhangjiagang City Yiyang Pipe Producing Co. Ltd &Zhangjiagang Yichen Steel Tube Co.Ltd. formally became the associate member of Chinese Quality Inspection Association. |
| In 2005,sales revenue reached 0.25 billion yuan. |
| In Oct., 2006,Zhangjiagang Yichen Steel Tube Co.Ltd formally applied for the verification of TS16949 which stood for our company preparing for entering the fields of steel tube for automobile. |
| In Dec.,2006, Zhangjiagang Yichen Steel Tube Co.Ltd formally passed the quality versification of TS16949. |
