Jinan TONY international trading Co., Ltd. is an integrated enterprise specializing in development, production and sales, which is a professional tower crane manufacturer recognized by General Administration of Quality Supervision, Inspection and Quarantine. With technical combination of more than twenty design research institutes and science academies, we heighten our developing ability quickly. We possess qualified technical personnels, complete equipment and testing measurements. Adopting advanced processing and technology, our products enjoy high reputation and popularity among clients home and abroad. The products are successfully. Main Products Tower crane with QTG25\QTZ25\QTZ31.5\QTZ40\QTZ50\QTZ63\QTZ80\QTZ160 series; Hydrant and High Strength Bolt for tower crane.