2025-08-13T14:30:25-05:00 2025-07-31 204851730 Entholpy EMC Inc 46520 Fremont Blvd Ste606 Fremont CA 94538 990PF 2024-08-01 872260082 CYGG Foundation % Chengyu Mao CYGG 9519616697 791 Regent Park Dr San Jose CA 95123 CHENGYU MAO CEO 9519616697 2025-08-13 true true DANMING XU P00728294 4089962002 2025-08-13 2024 2025-03-06 01:10:19Z X 253825 X 67324 937 937 5473 37798 5473 4201 73734 6410 4201 1053 1053 96 96 3173 3173 4322 0 4322 1660 1660 5982 0 5982 67752 6410 4201 4929 4661 4661 3215 14048 14048 135138 176296 215357 16030 19759 143282 211035 253825 0 0 X 143282 211035 143282 211035 143282 211035 143282 67752 1 211035 211035 76 Shs of TSLA comm stocks D 2022-08-17 2024-12-16 22588 21316 1272 1272 20 Shs of RCL Comm Stocks D 2024-11-20 2024-11-22 4731 4711 20 20 5 Shs of APP Comm Stocks D 2024-11-25 2024-12-02 1675 1591 84 84 S&P 500 ETF P 2023-12-28 2024-12-02 606 477 129 129 20 Shs of APP Comm Stocks P 2024-01-01 2024-11-08 3717 1558 2159 2159 40 Shs of CLS Comm Stocks P 2024-06-28 2025-05-21 4481 2672 1809 1809 5473 4201 89 89 0 89 0 89 false false false false false false false true true CA true false false false false true Chengyu Mao 9519616697 791 Regent Park Dr San Jose CA 95123 false false false false true false false false false false false false false false false false false false false false false false false false false false false CHENGYU MAO 791 Regent Park Dr San Jose CA 95123 CEO 2.00 0 0 0 WEILI MIAO 791 Regent Park Dr San Jose CA 95123 CFO 2.00 0 0 0 NONE 0 NONE 0 187556 15808 12531 215895 0 215895 3238 212657 10633 10633 89 89 10544 10544 10544 5982 5982 10544 4453 479 4932 5982 0 0 5612 370 4932 4932 370 0 370 370 0 0 0 CHENGYU MAO WEILI MIAO X Colel Chabad 806 Eastern Parkway Brooklyn NY 11213 PC Public charity de Charitable 1250 SJPOA Charitable Foundation 1234 First Steet San Jose CA 95106 PC Public charity de Charitable 260 San Francisco Zoo 1 Zoo Road San Francisco CA 94132 PC Public charity de Charitable 100 Wikimedia Foundation 1 Sansome Street Suite 1895 SAN FRANCISCO CA 94104 PC Public charity de Charitable 50 1660 0 14 937 18 5472 6409 6409 false false false false false false false false false false X X 1 CHENGYU MAO 791 Regent Park Dr San Jose CA 95123 26985 X X 2 CHENGYU MAO 791 Regent Park Dr San Jose CA 95123 40338 X X 1 20 shares RCL 23552 55 shares APP 31811 180 shares CCL 2655 26985 2024-12-12 2 124 shares TSLA 32531 40338 2025-06-13 76 Shs of TSLA stocks 2022-08 Donated 2024-12 12162024 22588 21316 1272 20 Shs of RCL Comm Stocks 2024-11 Donated 2024-11 11222024 4731 4711 20 5 Shs of APP Comm Stocks 2024-11 Donated 2024-12 12022024 1675 1591 84 SP 500 ETF 2023-12 Purchased 2024-12 12022024 606 477 129 20 Shs of APP Comm Stocks 2024-01 Purchased 2024-11 11082024 3717 1558 2159 40 Shs of CLS Comm Stocks 2024-06 Purchased 2025-05 05212025 4481 2672 1809 Fidelity Stocks AcctXXXX0107 176296 215357 Gold Investment FMV 16030 19759 FMV FMV FMV FMV FMV FMV FMV FMV FMV FMV FMV FMV FMV FMV FMV FMV FMV FMV FMV Office Expenses 410 410 Operating Expenses 2763 2763 Rounding Adjustment 1 Tax Preparation Fee 1000 1000 Fed State Filling Fee 50 50 Bank Fee 3 3