Qingdao Leff was conceived in 2008 and formally established in 2011. With the rise of China’s manufacturing industry and the growing demand for more affordable products from the United Nations, i
Our support Hotline is available 24 Hours a day:
+86 532 88961820
+86 532 88961819
+86 532 88961819
+86 532 88961820
david@lefftrade.org
http://www.opteco.cn/
