Shenzhen yshen technology Co., Ltd., founded in 2004, is located in the south part of China. ABOUT US : We are one of China's leading professional manufacturers with a history of 10 years in the field of tin box packaging and paper packaging products. Our factory covers more than 19, 000 square meters with more than 20 production lines and total 80 sets of well-equipped facilities with imported machinery from Japan and top machinery from domestic manufacturers. To ensure high quality ...