沈阳天星试验仪器有限公司
TX Testing Instruments Co.,

本公司生产各种便携式硬度计，包括磁力式洛氏及布洛硬度计、数显磁力式洛氏及布洛硬度计、液压式布氏硬度计、磁力式液压布氏硬度计等。上述仪器可以吸到或夹到石油钢管、石油钻杆、石油钻铤及其他石油机械配件上，用于精确测试大型工件的本体硬度，测试结果准确可靠，无需转换就可符合图纸及API标准的要求。 特别是可以精确测试石油钻杆的焊缝硬度，这一应用在全世界石油机械行业是独创性的。

TX Testing Instruments Co., Ltd is a professional manufacturer of all kinds of portable hardness testers including Magnetic Type Rockwell Hardness Tester, Magnetic Type Brinell & Rockwell Hardness Tester, Digital Magnetic Rockwell Hardness Tester, Digital Magnetic Brinell & Rockwell Hardness Tester, Hydraulic Brinell Hardness Tester, Magnetic Hydraulic Brinell Hardness Tester. All types of hardness testers mentioned above can attract or clamp the petroleum steel pipes, oil drill pipes, oil drill collars and other petroleum machinery parts. All types of these hardness testers are used to accurately test the ontology hardness of large workpiece. The test result is reliable and accurate, and be accord with the request of drawing and API standard without any conversion Particularly all types of hardness testers can accurately test the weld hardness of oil drill pipes. This application is the original creation among the petroleum machinery industry all over the world.