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 CAS-TONGXING Technology Co. Ltd is a professional company which engaged in manufacturing, sales, OEM (ODM) ,solution and processing and made up of integrated in science and technology .
   
Our company build the independent exploration technology research center: Center equipped with advanced professional scientific research equipment by the senior professional and technical staff from the Chinese Academy of Sciences (of which more than 95% of undergraduate or graduate from college or higher) to detect technology research....


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