Shenzhen Ramm Optical Co., Ltd established in 2011,which is located in Guanlan,Shenzhen with convenient transportation access. Covering an area of 2000 square meters, We have over 100 employees, our annual sales volume exceeds USD 5 million.Ramm is a manufacturer specialized in the research, development and production of HID ballast. Our well equipped facilities and excellent quality control enable us to be the OEM factory of HID ballast. All of our products comply with international quality standards and have got many certificates, such as CE,FCC,ROHS,etc.Our products are greatly appreciated all over the world.Having professional R&D team, advanced technology and dedicated sales and aiming at "Quality First, Customer First", Ramm develops new products to meet the increasing demands. Now Ramm becomes a very experienced and reliable manufacturer and occupies more and more market. Our main market is North America, South America,Russia,Japan,Mideast,Southeast Asia and Africa.In the past years, Ramm gained high reputation for superior quality, competitive price, in-time delivery and best service.If you are interested in any of our products, please feel free to contact us. You are warmly welcome to become our new clients and we are looking forward to establishing a mutual beneficial cooperation with you.Your Requirement,Our pursuit!