1. BUSINESS LICENSE of ZHEJIANG NANHONG IMPORTS & EXPORTS CO.,LTD.

2. BUSINESS LICENSE of ZHEJIANG PUJIANG JIANGNANHONG PIPE INDUSTRY CO., LTD.

3. BUSINESS LICENSE of JIANGNAN RIFENG PIPE INDUSTRY CO.,LTD.

4. Famous China Brand for ZHEJIANG PUJIANG JIANGNANHONG PIPE INDUSTRY CO.,LTD.

5. Quality Assured Certificate for ZHEJIANG PUJIANG JIANGNANHONG PIPE INDUSTRY CO.,LTD.

6.  ENVIROMENT-FRIENDLY CERTIFICATE for ZHEJIANG PUJIANG JIANGNANHONG PIPE INDUSTRY CO.,LTD.

7. Honor Certificate for ZHEJIANG PUJIANG JIANGNANHONG PIPE INDUSTRY CO.,LTD.

8. ISO9001-2000 CERTIFICATE OF QUALITY MANAGEMENT SYSTEM for ZHEJIANG PUJIANG JIANGNANHONG PIPE INDUSTRY CO.,LTD.