Tolerance was founded in Shanghai in September 2004. As a leading high-end assembly OEM supplier in the domestic industry, after more than ten years of development, it has grown into a collection of gantry milling, CNC turning center, argon arc welding, brazing, and ultrasonic chemical cleaning. A production base that integrates processing lines, precision assembly and other processing technologies. Tolerance's new Qidong plant took more than ten months to build, and trial production began at the end of 2019.

       The new factory in Qidong inherits the advantages of the Shanghai company. At present, it has nearly 100 sets of advanced machining equipment such as five-axis machining centers, gantry, vertical machining centers, CNC lathes, turning centers, and electrical machining. It is equipped with complete testing equipment, including three Coordinate measuring instrument, high magnification measuring microscope, hardness tester, surface roughness tester, etc., have the ability to provide products with high precision and high cleanliness. The company's main products are used in the core links such as etching, thin film deposition, photolithography and adhesive development, chemical mechanical polishing, and ion implantation in the manufacture of semiconductor equipment integrated circuits, and the downstream market industry has broad prospects.