¡¡¡¡¡¡Jinan Tongri Test Equipment Co. Ltd.is a professional manufacturer of testing machines and paper tube machines. In 1990, we joined forces with Taiwan Holi Inc. for the production of spools and spiral paper tubes; in 1992, we successfully developed semiautomatic equipment for conical paper tubes and spiral paper rubes. Our products are sold well nationwide due to our top quality and excellent services.