Major foreign sales regions: the United States, the United Kingdom, India, Japan, South Korea, Argentina, Thailand, Singapore, etc.
Major domestic sales areas: Shenzhen, Hangzhou, Taiwan, etc.

Sales in recent years:
Total sales in 2016 were 3,700 tons
The total sales volume in 2017 is 4,000 tons
Total sales in April 2040 is 4,500 tons