Topdio Technical Co., Ltd. is a high-tech enterprise specializing in the R&D, manufacture and marketing of Bluetooth products and PC accessories. Our company was established in March, 2006. Our sales value reached 10 million US dollars in 2009. Topdio has created a name that is famous in the market. Our products are popular in domestic market. Topdio is gradually developing overseas markets, such as Europe, the US, Korea, Thailand and Japan. Products & Services --Bluetooth Products, Mobile and computer Accessories ,USB products (ODM/OEM services) --Tooling for customers -- Marketing protection for customers --Manufacturing We provide clients with the best after-sales service. We are your reliable supplier in the field.