Hangzhou Grand Technology Co., Ltd. started as a special slip ring manufacturer since 2010. Grown into slip ring, rotary union and slip ring assembly experts of today with 6,000 square meter manufacture complex. Listen to our customers carefully is the way approach to customer excellence. Under 3 R&D centers support, a live, rich experience person can response your requests when you reach out to us regarding slip ring, rotary union, slip ring assembly. Hundreds of skilled workers can do the flexibility and variety of tasks. And thanks to invest in automation to increase our productivity, repeatability, quality and shorter the lead time. Given that we can fabricate highly customized, high mix low volume and low mix high volume orders for our customers, since we have the flexibility we need to get the job done. The raw materials are strictly selected. Online and finished inspection ensure the quality with various tests such as visual inspection, torsion test, insulation resistance test, voltage resistance, static and dynamic contact resistance, etc. And type approval test include carbon brush test, high and low temperature test, Salt spray test, etc. As a supplier of slip ring, rotary union and slip ring assembly. We served users from wind turbine generator, packaging equipment, medical equipment, PTZ camera, automation, Radar, etc. Also pride of our products can meet military grade. We also collaborated with universities, institutes and renowned factories across Asia and Europe, include Panasonic, SIEMENS, ALTEC, CSIC, SUZLON, UNISON, bullmer, GERBER TECHNOLOGY, etc.