Oriency Sign Technology Industry Co., Ltd
Osign group provide Chinese best selling large format printing sign materials
Because of our focused attitude, we have a higher value. We has a strong independent research team, and we have a professional group of experts, professors and other science research partners.We gained more than 20 patents, 10-year-spectrum technology research and development, manufacturing experience. We are a professional company with our own brand, research and development, factory, manufacturing and marketing integration.