Mr. Li : 18923411776(WeChat)
liuhuan@yishengtc.com(Email）
6th Floor, R&D Center / 2nd Floor, Building B, Funing High-tech Industrial Park, Bao'an District, Shenzhen, Guangdong, China
Room 318, Jiangrun Building, No. 565, Xingnan Avenue, Panyu District, Guangzhou
