Dear customers：

Thanks for your support and deeply appreciated your great kindness to Wattsine.

Due to the rising prices of electronic components, electrical components and metal raw materials in the semiconductor industry supply chain in recent years, and the severe shortage of supply, Wattsine needs to pay higher procurement and other costs, which ultimately leads to a sharp increasing in production costs. In line with the business philosophy of honest service and sustainable development, Wattsine has decided to make appropriate adjustments to the prices of some medium and high-power series products from 1^st,July, 2022, In this way, the rising cost pressure can be alleviated, and stable and high-quality products and services can be continuously provided to customers. Prices are adjusted as follows:

As always, we are committed to providing quality products and service to you and appreciate your continued support. We hope to get your understanding for this price adjustment, thank you.

Best wishes

Chengdu Wattsine Electronic Technology Co.,Ltd

1st,June,2022