Corporate Information Change Letter

Dear Customer: Hello!

Thank you for your strong support to our company over the years. According to the development needs of our company, the original company will be renamed. From October 1, 2017, the original company: Henan Joint Abrasives Co., Ltd. will be renamed: Henan Union Precision Materials Co., Ltd.

The current delivery and delivery address remains unchanged.

Thank you for your cooperation!

After the change:

Company Name: Henan United Precision Materials Co., Ltd.

Address: 80m east of the intersection of 17th Street and Jingan Babei 2nd Road, Zhengzhou Area (Jingkai), Henan Free Trade Zone

Bank of deposit: Bank of China Zhengzhou Hanghai East Road Branch

Account number: 257247226223

Tax ID: 914101007407042147

　　HeNan Union Precision Material Co.,Ltd. 

September 25, 2017