Our company is the American sevenocean photoelectricities sells the main corporation in China"s level of proxies, the company receives "altogether wins with the customer" the marketing idea, concentrates to the optical instrumentation in mainland China market promotion and the sale. The American sevenocean photoelectricities invested the massive manpower, the physical resource have developed a series of technologies to be in the lead, the function powerful optical instrument. Economy image type precise mapping meter series product, has overcome the traditional projecting apparatus insufficiency, can measure the object image direct input computer, causes its digitization. The product gathers plotting, measurement and the detecting function are an integral whole. The function are powerfuler and the operation is simpler. The product since has gone on the market, the economy image type precise mapping meter series product depends on its human nature design, the reliable quality, the powerful function, the reasonable price has received the general customers enormous approval and the welcome.