(I.R.S. Employer Identification Number) As filed with the Securities and Exchange Commission on November 7, 2023. Registration Statement No. 333-270107 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 AMENDMENT NO. 6 TO FORM F-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 Lucas GC Limited (Exact name of Registrant as specified in its charter) Not Applicable (Translation of Registrant's name into English) Cayman Islands 7370 Not Applicable (Primary Standard Industrial Class ...