Biggest changeAs of December 31, 2024 Parent Subsidiaries WFOE and its subsidiaries The VIEs Eliminations Consolidated Total RMB US$ RMB US$ RMB US$ RMB US$ RMB US$ RMB US$ (in thousands) Cash — — 1,408 193 9,941 1,361 1,113 152 — — 12,462 1,760 Total current assets 1,038 143 7,184 984 50,642 6,937 13,913 1,905 — — 72,777 9,969 Investment in subsidiaries and VIE’s — — 28,190 3,862 — — — (28,190 ) (3,862 ) — — Total non-current assets — — 35,280 4,833 18,995 2,602 2,845 390 (28,190 ) (3,862 ) 28,930 3,963 Amounts due from subsidiaries, the VIE and its subsidiaries 124,534 17,060 — — — — — — (124,534 ) (17,060 ) — — Total assets 125,572 17,203 42,464 5,817 69,637 9,539 16,758 2,295 (152,724 ) (20,922 ) 101,707 13,932 Deficits in investment in subsidiaries and VIE’s subsidiaries 101,812 13,948 — — — — — — (101,812 )) (13,948 ) — — Amounts due to the parent company and its subsidiaries — — 2,929 401 121,605 16,659 — — (124,543 ) (17,060 ) — — Total current liabilities 175 24 — — 46,679 6,395 24,192 3,314 — — 71,046 9,733 Total non-current liabilities — — — — 388 53 300 41 — — 688 94 Total liabilities 101,987 13,972 2,929 401 168,672 23,107 24,492 3,355 (226,346 ) (31,008 ) 71,734 9,827 Total liabilities, mezzanine equity and shareholders’ (deficit) equity 125,572 17,203 42,464 5,817 69,637 9,539 16,758 2,295 (152,724 ) (20,922 ) 101,707 13,932 For the Year Ended December 31, 2024 Parent Subsidiaries WFOE and its subsidiaries The VIEs Eliminations Consolidated Total RMB US$ RMB US$ RMB US$ RMB US$ RMB US$ RMB US$ (in thousands) Total revenues — — — — 204,359 27,996 44,473 6,093 — — 248,832 34,089 Cost of revenues — — — — (179,965 ) (24,656 ) (22,026 ) (3,018 ) — — (201,991 ) (27,674 ) Total operating expenses (41,063 ) (5,625 ) (951 ) (130 ) (13,484 ) (1,847 ) (11,724 ) (1,606 ) — — (67,221 ) (9,208 ) Share of loss of subsidiaries, VIEs and VIEs’ subsidiaries 7,549 1,034 — — — — — — (7,549 ) (1,034 ) — — Net (loss) income (33,514 ) (4,591 ) (1,511 ) (207 ) 11,145 1,527 (1,938 ) (272 ) (7,549 ) (1,034 ) (33,412 ) (4,577 ) 7 For the Year Ended December 31, 2024 Parent Subsidiaries WFOE and its subsidiaries The VIEs Eliminations Consolidated Total RMB US$ RMB US$ RMB US$ RMB US$ RMB US$ RMB US$ (in thousands) Net cash (used in) provided by operating activities (5,180 ) (710 ) (3,126 ) (428 ) 15,880 2,176 2,934 402 — — 10,508 1,440 Net cash provided by (used in) investing activities 4,772 654 (2,970 ) (407 ) (14,001 ) (1,918 ) (4,520 ) (619 ) — — (16,719 ) (2,290 ) Net cash (used in) provided by financing activities — — (7,219 ) (989 ) 7,980 1,093 — — — — 761 104 As of December 31, 2023 Parent Subsidiaries WFOE and its subsidiaries The VIEs Eliminations Consolidated Total RMB RMB RMB RMB RMB RMB (in thousands) Cash 324 14,658 496 2,698 — 18,176 Total current assets 1,328 14,702 88,761 17,558 — 122,349 Investment in subsidiaries and VIE’s — 27,270 — — (27,270 ) — Total non-current assets — 35,905 5,886 14,817 (227,270 ) 29,338 Amounts due from subsidiaries, the VIE and its subsidiaries 85,581 — — — (85,851 ) — Total assets 86,909 50,607 94,647 32,375 (112,851 ) 151,687 Deficits in investment in subsidiaries and VIE’s subsidiaries 109,361 — — — (109,361 ) — Amounts due to the parent company and its subsidiaries — 3,225 81,128 1,228 (85,851 ) — Total current liabilities 1,053 21,579 108,214 31,749 — 162,595 Total non-current liabilities — — 2,903 3,407 — 6,310 Total liabilities 110,414 24,804 192,245 36,384 (194,942 ) 168,905 Total liabilities, mezzanine equity and shareholders’ (deficit) equity 86,909 50,607 94,647 32,375 (112,851 ) 151,687 8 For the Year Ended December 31, 2024 Parent Subsidiaries WFOE and its subsidiaries The VIEs Eliminations Consolidated Total RMB RMB RMB RMB RMB RMB (in thousands) Total revenues — — 349,047 91,618 (128 ) 440,537 Cost of revenues — — (340,837 ) (83,637 ) 128 (424,346 ) Total operating expenses (63,473 ) (44,756 ) (197,702 ) (93,024 ) — (398,955 ) Share of loss of subsidiaries, VIEs and VIEs’ subsidiaries (310,028 ) — — — 310,028 — Net loss (373,501 ) (45,986 ) (189,413 ) (83,941 ) 310,028 (382,813 ) Subsidiaries WFOE and its subsidiaries The VIEs Eliminations Consolidated Total RMB RMB RMB RMB RMB RMB (in thousands) Net cash (used in) provided by operating activities (8,682 ) 3,751 27,702 (7,611 ) — 15,160 Net cash (used in) provided by investing activities (21,898 ) 13,378 (28,118 ) (18,528 ) — (55,166 ) Net cash (used in) provided by financing activities (7,798 ) 550 — — — (7,248 ) The following table represents the roll-forward of the investments/(deficits in investments) in our subsidiaries, the VIE Entity and the VIE Entity’s subsidiaries: RMB (in thousands) As of December 31, 2023 (109,361 ) Share of loss of subsidiaries, the VIE Entity and the VIE Entity’s subsidiaries 7,549 As of December 31, 2024 (101,812 ) A. [Reserved] B.
Biggest changeAs of December 31, 2025 Parent Subsidiaries WFOE and its subsidiaries The VIEs Eliminations Consolidated Total RMB US$ RMB US$ RMB US$ RMB US$ RMB US$ RMB US$ (in thousands) Cash 1,978 283 108 15 89 13 5,993 857 - - 8,168 1,168 Total current assets 2,970 425 36,861 5,272 10,807 1,546 34,729 4,964 - - 85,367 12,207 Investment in subsidiaries and VIE’s - - 26,954 3,854 - - - - (26,954 ) (3,854 ) - - Total non-current assets - - 26,954 3,854 19,164 2,740 749 107 (26,954 ) (3,854 ) 19,912 2,847 Amounts due from subsidiaries, the VIE and its subsidiaries 150,738 21,555 - - - - 28,182 4,030 (178,920 ) (25,585 ) - - Total assets 153,708 21,980 63,815 9,126 29,971 4,286 63,660 9,101 -205,874 (29,439 ) 105,279 15,054 Deficits in investment in subsidiaries and VIE’s subsidiaries 105,230 15,048 - - - - - - (105,230 ) (15,048 ) - - Amounts due to the parent company and its subsidiaries - - 2,861 409 176,059 25,176 - - (178,920 ) (25,585 ) - - Total current liabilities 167 24 - - 12,855 1,839 38,071 5,444 - - 51,092 7,306 Total non-current liabilities - - - - - - 48 7 - - 48 7 Total liabilities 105,397 15,072 2,861 409 188,914 27,015 38,119 5,451 (284,150 ) (40,633 ) 51,140 7,313 Total liabilities and shareholders’ equity 153,708 21,980 63,815 9,126 29,971 4,286 63,660 9,101 205,874 -29,439 105,279 15,054 For the Year Ended December 31, 2025 Parent Subsidiaries WFOE and its subsidiaries The VIEs Eliminations Consolidated Total RMB US$ RMB US$ RMB US$ RMB US$ RMB US$ RMB US$ (in thousands) Total revenues - - - - 51,616 7,381 18,563 2,654 - - 70,179 10,035 Cost of revenues - - - - (50,818 ) (7,267 ) (6,942 ) (993 ) - - (57,760 ) (8,260 ) Total operating expenses (12,321 ) (1,762 ) (3,615 ) (517 ) 52,155 7,456 (6,862 ) (981 ) - - 29,357 4,196 Share of loss of subsidiaries, VIEs and VIEs’ subsidiaries (3,418 ) (489 ) - - - - - - 3,418 489 - - Net (loss) income (15,739 ) (2,251 ) (3,594 ) (514 ) (5,758 ) (821 ) 5,373 768 3,418 489 (16,300 ) (2,329 ) 7 For the Year Ended December 31, 2025 Parent Subsidiaries WFOE and its subsidiaries The VIEs Eliminations Consolidated Total RMB US$ RMB US$ RMB US$ RMB US$ RMB US$ RMB US$ (in thousands) Net cash (used in) provided by operating activities (1,827 ) (261 ) (4,367 ) (624 ) (8,982 ) (1,321 ) 5,431 777 - - (9,745 ) (1,429 ) Net cash (used in) provided by investing activities (31,630 ) (4,523 ) 3,192 456 475 69 (551 ) (79 ) - - (28,514 ) (4,077 ) Net cash provided by (used in) financing activities 35,434 4,930 - - (1,400 ) (200 ) - - - - 34,034 4,730 As of December 31, 2024 Parent Subsidiaries WFOE and its subsidiaries The VIEs Eliminations Consolidated Total RMB RMB RMB RMB RMB RMB (in thousands) Cash - 1,408 9,941 1,113 - 12,462 Total current assets 1,038 7,184 50,642 13,913 - 72,777 Investment in subsidiaries and VIE’s - 28,190 - - (28,190 ) - Total non-current assets - 35,280 18,995 2,845 (28,190 ) 28,930 Amounts due from subsidiaries, the VIE and its subsidiaries 124,534 - - - (124,534 ) - Total assets 125,572 42,464 69,637 16,758 (152,724 ) 101,707 Deficits in investment in subsidiaries and VIE’s subsidiaries 101,812 - - - (101,812 ) - Amounts due to the parent company and its subsidiaries - 2,929 121,605 - (124,543 ) - Total current liabilities 175 - 46,679 24,192 - 71,046 Total non-current liabilities - - 388 300 - 688 Total liabilities 101,987 2,929 168,672 24,492 (226,346 ) 71,734 Total liabilities and shareholders’ equity 125,572 42,464 69,637 16,758 (152,724 ) 101,707 8 For the Year Ended December 31, 2024 Parent Subsidiaries WFOE and its subsidiaries The VIEs Eliminations Consolidated Total RMB RMB RMB RMB RMB RMB (in thousands) Total revenues - - 204,359 44,473 - 248,832 Cost of revenues - - (179,965 ) (22,026 ) - (201,991 ) Total operating expenses (41,063 ) (951 ) (13,484 ) (11,724 ) - (67,221 ) Share of loss of subsidiaries, VIEs and VIEs’ subsidiaries 7,549 - - - (7,549 ) - Net (loss) income (33,514 ) (1,511 ) 11,145 (1,938 ) (7,549 ) (33,412 ) For the Year Ended December 31, 2024 Parent Subsidiaries WFOE and its subsidiaries The VIEs Eliminations Consolidated Total RMB RMB RMB RMB RMB RMB (in thousands) Net cash (used in) provided by operating activities (5,180 ) (3,126 ) 15,880 2,934 - 10,508 Net cash provided by (used in) investing activities 4,772 (2,970 ) (14,001 ) (4,520 ) - (16,719 ) Net cash (used in) provided by financing activities - (7,219 ) 7,980 - - 761 The following table represents the roll-forward of the investments/(deficits in investments) in our subsidiaries, the VIE Entity and the VIE Entity’s subsidiaries: RMB (in thousands) As of December 31, 2024 (101,812 ) As of December 31, 2025 (105,230 ) 9 A. [Reserved] B.
Negative publicity, regardless of merits, could be related to a wide variety of matters, including but not limited to: ● alleged misconduct or other improper activities committed by our and the VIEs’ end users or our and the VIEs’ shareholders, affiliates, directors, officers, instructors and other employees and other full-time and part-time workers supplied by third parties, including misrepresentation made by our and the VIEs’ employees or full-time and part-time workers supplied by third parties during sales and marketing activities, and other fraudulent activities to artificially inflate the popularity of our and the VIEs’ products and services; ● false or malicious allegations or rumors about us or our and the VIEs’ business, shareholders, affiliates, directors, officers, instructors and other employees and tutors and other workers supplied by third parties; ● complaints by the VIEs’ college student users about and the VIEs’ education content offerings; ● refund disputes of subscription fees between us and the VIEs’ end users; ● security breaches of private user or transaction data; ● employment-related claims relating to alleged employment discrimination, wage and hour violations; and ● governmental and regulatory investigations or penalties resulting from our and the VIEs’ failure to comply with applicable laws, regulations and policies, including those to be adopted by the government for applying more stringent social, ethical and environmental standards 23 In addition to traditional media, there has been an increasing use of social media platforms and similar technologies in China, including instant messaging applications, social media websites and other forms of internet-based communications that provide individuals with access to a broad audience of consumers and other interested persons.
Negative publicity, regardless of merits, could be related to a wide variety of matters, including but not limited to: ● alleged misconduct or other improper activities committed by our and the VIEs’ end users or our and the VIEs’ shareholders, affiliates, directors, officers, instructors and other employees and other full-time and part-time workers supplied by third parties, including misrepresentation made by our and the VIEs’ employees or full-time and part-time workers supplied by third parties during sales and marketing activities, and other fraudulent activities to artificially inflate the popularity of our and the VIEs’ products and services; ● false or malicious allegations or rumors about us or our and the VIEs’ business, shareholders, affiliates, directors, officers, instructors and other employees and tutors and other workers supplied by third parties; ● complaints by the VIEs’ college student users about and the VIEs’ education content offerings; ● refund disputes of subscription fees between us and the VIEs’ end users; ● security breaches of private user or transaction data; ● employment-related claims relating to alleged employment discrimination, wage and hour violations; and ● governmental and regulatory investigations or penalties resulting from our and the VIEs’ failure to comply with applicable laws, regulations and policies, including those to be adopted by the government for applying more stringent social, ethical and environmental standards In addition to traditional media, there has been an increasing use of social media platforms and similar technologies in China, including instant messaging applications, social media websites and other forms of internet-based communications that provide individuals with access to a broad audience of consumers and other interested persons.
(iii) WFOE and its subsidiaries, which include Jianzhi Century Technology (Beijing) Co., Ltd., Beijing Sentu Lejiao Information Technology Co., Ltd. and Sentu Shuzhi Technology (Beijing) Co., Ltd., and (iv) the VIE Entity, Beijing Sentu Education Technology Co., Ltd., and its subsidiaries including Shanghai Ang’you Internet Technology Co., Ltd., Guangzhou Xingzhiqiao Information Technology Co., Ltd., Guangzhou Lianhe Information Education Technology Co., Ltd. and Wuhan Crossboarder Information Co., Ltd., and the summary of the consolidating statement of operations and cash flows for the years ended December 31, 2023 and 2024.
(iii) WFOE and its subsidiaries, which include Jianzhi Century Technology (Beijing) Co., Ltd., Beijing Sentu Lejiao Information Technology Co., Ltd. and Sentu Shuzhi Technology (Beijing) Co., Ltd., and (iv) the VIE Entity, Beijing Sentu Education Technology Co., Ltd., and its subsidiaries including Shanghai Ang’you Internet Technology Co., Ltd., Guangzhou Xingzhiqiao Information Technology Co., Ltd., Guangzhou Lianhe Information Education Technology Co., Ltd. and Wuhan Crossboarder Information Co., Ltd., and the summary of the consolidating statement of operations and cash flows for the years ended December 31, 2024 and 2025.