LG IMPORT AND EXPORT CORPORATION is computerized testing system manufacturers and suppliers in China who can wholesale computerized testing system. We can provide professional service and better price for you. If you interested in computerized testing system products, please contact with us. Tips: Special needs, for example: OEM, ODM, customized according to demands, design and others, please email us and tell us detail needs. We follow the quality of rest assured that the price of conscience, dedicated service.