We are a professional aluminium manufacture with 5 years experience,located in Jiangsu Province,China.It takes about one and half hour from Shanghai to our company by car. We are a stabile aluminium frame supplier for the many customers from Europeans,Russia,Southeast Asia, and so on.We have much experience for producing the aluminium frame for outdoor signs as LED.You can see the attached photoes and drawings.Most of our machines are imported from Germany,Italy,they can produce the frame with extremely small tolerence.We can tell you with confidence that our quality is very good. Should you interest with above information?Hope we can establish long lasting relationship in the near future.