The IHEP Machine shop (Beijing HE-Racing Technology Co., Ltd., HERT), as an important support division of IHEP and its facilities, focus on the accelerator components R&D and manufacture. Within 20 years, it has designed, fabricated and measured about 3000 magnets and 2000 waveguide components with different types, more than 200 units of accelerating structures and SLEDs pulse compressors for BEPC, SSRF, Spear3, PLS, NSLSII etc..