Product Price Adjustment Notice Letter

Dear customer:

Hello!

Thank you very much for your long-term trust and support towards our company, which has established a good cooperative relationship between both parties. We would like to express our sincere gratitude for the past cooperation and support in our business!

Due to market changes, our company has continuously received price increase notices from suppliers until November this year, and there is no sign of market correction. Based on the actual situation of raw material price increase, in order to ensure the continuous provision of high-quality products and services to customers, achieve sustainable development of the company and mutual benefit with partners, starting from November 15, 2021, we will increase the price of all glass products by 10% for settlement, which does not involve orders that have been signed before the price adjustment date and have received customer deposits. We apologize for any inconvenience caused!

Thank you all for your support!

wishing

Shang Qi!

Shanghai Kexing Instrument Co., Ltd

November 3, 2021