SOURCE / COMPANIES By GT staff reporters Published: Jun 06, 2021 08:13 PM A researcher shows a device produced with the lithography equipment on November 29. Photo: VCG Huawei is apparently stepping up its foray into the field of lithography machines, which are crucial in chip production, shortly after releasing its self-developed operating system HarmonyOS, further reflecting the Chinese telecom giant's goal to develop a complete industry chain to survive amid the US' crackdown. Hubble Technology Investment, Huawei's fully owned subsidiary, recently invested 82 million yuan ($12.8 million) to become the seventh-largest stakeholder of Beijing RSLaser Opto-Electronics Technology Co, which focuses on light source system - one of three core technologies - of lithography machines.