Name:Certificate of conformity
Refernce No: STS/2006/00510

Name: ISO9001 Certificate
Certificate No: 15/03Q5401R01
Date: Aug 09, 2003
Valid until: Jan 21, 2005
Range: Production and service of the unplasticized polyvinyl chloride (PVC) profiles for the frames of doors and windows.
Reference: Issued by WIT Assessment.

Name: ISO9001 Certificate
Certificate No: 15/03Q5401R01
Date: Aug 09, 2003
Valid until: Jan 21, 2005
Range: Plastic pipe&fittings.
Reference: Issued by WIT Assessment.

Name: ISO14001 Certificate
Certificate No: 05604E10010R0M
Date: Apr 08, 2004
Valid until: Apr 07, 2007
Range: Production and service of the unplasticized polyvinyl chloride (PVC) profiles for the frames of doors and windows.
Reference: Issued by Zhejiang Huanke Certification Center for Environment.

Name:Certificate for Product Exemption from Quality Surveillance Inspection
Certificate No: 33028090
Date:Jan 01, 2003
Valid until:Jan 31, 2006
Range: 'Zhongcai' brand PVC profiles for the frames of doors and windows.
Reference: Issued by State General Administration of People's Republic of China for Quality Supervision and Inspection and Quarantine.