carry on to boost, to guarantee products excellent in line with market and consumer standard specifications. Our enterprise has a quality assurance system are actually established for dot matrix display with arduino - Dalian Eastern Display Co., Ltd., , , ,. Sincerely look forward to serving you in the near future. You are sincerely welcome to visit our company to talk business face to face with each other and establish long-term co-operation with us! The product will be shipped worldwide, including Europe, America, Australia,Surabaya , moldova ,Johor , Rotterdam .With its rich manufacturing experience, high-quality products, and perfect after-sale service, the company has gained good reputation and has become one of the famous enterprise specialized in manufacturing series.We sincerely hope to establish business relation with you and pursue mutual benefit.