1 Tianjin Xiangyue Sealing Material Co., Ltd. is the exclusive company in China with the patent
certificate for invention of sealant to produce the TXY-18# sealant.

2 The TXY-18# sealant produced by the Tianjin Xiangyue Sealing Material Co., Ltd. has passed the
authentification of the Scientific Development Dep't of SinoPec Group.

3 Tianjin Xiangyu Sealant Co., Ltd. is the exclusive enterprise in China to execute the enterprise standard.

4 Tianjin Xiangyue Sealing Material Co., Ltd. has passed the ISO9000 accreditation.

5 Tianjin Xiangyue Sealing Material Co., Ltd. is a company exclusively approved by the Tianjin
Bureau of Supervision on Quality of Technology to maintain the band-pressed hermetization of
special equipment.

6 Tianjin Xiangyue Sealing Material Co., Ltd. is the band-pressed sealing center of the China
Association for Equipment Management.

7 Tianjin Xiangyue Sealing Material Co., Ltd. is the largest base for training and experiment
in the industry.

8 Document of China Association of Plant Emgineering [2005]No.2 (Notice on the establishment of under-pressure sealing teehnology centre of China Assouiation of Plant Engineering)
9 Quality testing letter [2005] No.70

Invention letter patent

sience technology

Enterprise product standard certificate

Enterprise product standard certificate

Letter patent

Special Facility

ISO 9001

The equipment management association document of China

The equipment management association document of China

Quality testing letter [2005] No.70

Quality testing letter [2005] No.70