Since 1966, Tianshui Metalforming Machine Tool Co., Ltd. (TSD) has been always developing and manufacturing sheet metal working machine and LSAW pipe plant, including shear, press brake, press brake in tandem, plate rolling machine, 4 columns press and longitudinal seam submerged Arc welding pipe plant. 

TSD has 180 engineers of R&D team, and follows the newest international sheet metal working manufacturing technology. We are the only manufacturer in China to research and develop independently heavy duty guillotine shear, press brake in tandem, plate rolling machine, as well as turn-key project of longitudinal seam submerged arc welding pipe plant. 

TSD has more 30 sets of heavy-duty processing equipment and strict measuring methods to ensure high quality of manufacturing, executing DIN standard, Germany. 

We passed ISO9001:1994 quality management system certification in 1997 and ISO9001:2000 quality management system certification in 2001, and passed ISO14001:1994 environmental management system certification and OHSAS18001:999 occupational health and safety management system certification in 2008. 
With trade mark TSD, our products have been exported to more 40 countries and regions.