GENEVA, Feb. 2 -- ZHEJIANG QIANHE TECHNOLOGY CO., LTD. (Room 605, Building 2(Nanyangba Shichuang Business Center), No. 9 Zhenzhong Road, Sandun Town, Xihu District,Hangzhou, Zhejiang 310030), 浙江芊合科技有限公司 (中国浙江省杭州市西湖区三墩镇振中路9号（南阳坝世创商务中心）2号楼605室) filed a patent application (PCT/CN2025/109861) for "INTERLOCKING HINGE LINKAGE MECHANISM FOR FLUSH-CLOSURE AND LARGE-ANGLE OPENING/CLOSING" on Jul 22, 2025. With publication no. WO/2026/021436, the details related...