GENEVA, July 7 -- ZHENGZHOU CHAOKUO ELECTRONIC TECHNOLOGY CO., LTD. (Room 302 and 303, Building 6, Phase II, No. 27 Fenglin Road, High-Tech Industrial Development ZoneZhengzhou, Henan 450066), 郑州潮阔电子科技有限公司 (中国河南省郑州市高新区高新技术产业开发区枫林路27号二期6＃楼302、303室) filed a patent application (PCT/CN2024/138186) for "NOZZLE FOR 3D PRINTER, PREHEATING ELEMENT, AND NOZZLE ASSEMBLY" on Dec 10, 2024. With publication no. WO/2025/139770, the details related to the patent appl...