In June 2019, the Group borrowed a loan with the amount of RMB6,000,000 (equivalent to approximately US$941,074) from Shanghai Pudong Development Bank Co., Ltd. for a term of three years at the interest rate of 5.23% per annum. The Group repaid RMB300,000 (equivalent to approximately US$47,054) in 2019, RMB1,000,000 (equivalent to approximately US$156,846) in 2020, and RMB2,700,000 (equivalent to approximately US$423,483) in 2021. As of December 31, 2020 and 2021, RMB2,700,000 (equivalent to approximately US$423,483) and RMB2,000,000 (equivalent to approximately US$313,691) repayable within twelve months for this agreement were classified as “Current portion of long-term borrowing” on the consolidated balance sheets, respectively.
In September 2020, the Group borrowed a loan with the amount of RMB16,500,000 (equivalent to approximately US$2,587,952) from Shanghai Pudong Development Bank Co., Ltd. for a term of three years at the interest rate of 4.27% per annum.The Group repaid RMB1,650,000 (equivalent to approximately US$258,796) in 2021. As of December 31, 2020 and 2021, RMB1,650,000 (equivalent to approximately US$258,796) and RMB3,850,000 (equivalent to approximately US$603,855) repayable within twelve months for this agreement were classified as “Current portion of long-term borrowing” on the consolidated balance sheets, respectively.
In September 2021, the Group borrowed a loan with the amount of RMB8,500,000 (equivalent to approximately US$1,333,186) from Shanghai Pudong Development Bank Co., Ltd. for a term of three years at the interest rate of 4.05% per annum. As of December 31, 2021, RMB425,000 (equivalent to approximately US$66,659) repayable within twelve months for this agreement was classified as “Current portion of long-term borrowing” on the consolidated balance sheets.
As of December 31, 2021 and 2020, none of the Group’s borrowings were collateralized or had covenants in the respective loan agreements.
Future maturities of short-term borrowings and long-term borrowings
Future principal maturities of short-term borrowings and long-term borrowings as of December 31, 2020 and 2021 were as followings:
| | | | |
| | As of December 31, |
| | 2020 | | 2021 |
| | US$ | | US$ |
2021 | | 5,015,402 | | — |
2022 | | 1,279,713 | | 4,497,545 |
2023 | | 1,685,850 | | 1,858,619 |
2024 | | — | | 1,133,210 |
| | 7,980,965 | | 7,489,374 |
8. CONVERTIBLE REDEEMABLE PREFERRED SHARES AND WARRANTS
In November 2011, the Company issued convertible notes (“Series Pre-A Convertible Notes”) to certain investors in the amount of 4,590,908. The notes carried a simple interest (non-compounding) of 6% per annum as set out in the note purchase agreement. All outstanding principal balance and accrued but unpaid interest of the notes should be automatically converted into the convertible redeemable preferred shares of the Company at a price no more than US$1 per share.
In November 2014, the Company issued 5,473,957 Series A-1 convertible redeemable preferred shares (“Series A-1 Preferred Shares”) to certain investors upon conversion of the Company’s Series Pre-A convertible notes at a conversion price of US$1 per share. Concurrently, the Company issued 2,370,414 Series A-2 convertible redeemable preferred shares (“Series A-2 Preferred Shares”) to certain investors at US$1.27 per share for a total consideration of US$3,000,000. Series A-1 Preferred Shares and Series A-2 Preferred Shares are collectively referred to as the Series A Preferred Shares.
From January through June 2016, the Company issued 7,494,537 Series B convertible redeemable preferred shares (“Series B Preferred Shares”) to certain investors at US$3.74 per share for a total consideration of US$27,999,995.