Gross margin was 15.2% for the three months ended March 31, 2023, compared to 10.8% for the same period of 2022, representing an increase of 4.4%. The increase was mainly due to a change in our product mix and increase in average selling price for the three months ended March 31, 2023.
Selling Expenses
Selling expenses were $3.4 million for the three months ended March 31, 2023, as compared to $4.3 million for the same period of 2022, representing a decrease of $0.9 million, or 21%, which was primarily due to a decrease in transportation expenses, marketing and office expense and the impact from appreciation of USD against RMB.
General and Administrative Expenses
General and administrative expenses were $4.8 million for the three months ended March 31, 2023, which is stable compared to $4.8 million for the same period of 2022.
Research and Development Expenses
Research and development expenses were $6.4 million for the three months ended March 31, 2023, as compared to $8.1 million for the same period of 2022, representing a decrease of $1.7 million, or 21%, which was mainly due to a decrease of tooling charge and the depreciation of the RMB against the USD in the three months ended March 31, 2023 as compared to the three months ended March 31, 2022.
Other Income, net
Other income, net was $1.5 million for the three months ended March 31, 2023, as compared to $3.5 million for the three months ended March 31, 2022, representing a decrease of $2.0 million, which was mainly due to the government subsidies received for the three months ended March 31, 2023 being less than the amount received for the three months ended March 31, 2022.
Interest Expense
Interest expense was $0.2 million for the three months ended March 31, 2023, as compared to $0.4 million for the three months ended March 31, 2022, representing a decrease of $0.2 million, which is mainly due to the decrease in short-term loan and weighted average interest rate.
Financial Expense/(Income), net
Financial expense, net was $0.4 million for the three months ended March 31, 2023, as compared to financial income, net of $2.0 million for the three months ended March 31, 2022, representing a decrease in financial income of $2.4 million, which was primarily due to an increase in the foreign exchange loss due to the appreciation of RMB against USD.
Income Taxes
Income tax expense was $0.8 million for the three months ended March 31, 2023, compared to income tax expense of $1.0 million for the three months ended March 31, 2022, which was primarily due to the valuation allowance recognized in the three months ended March 31, 2022 whereas no significant valuation allowance was recognized in the three months ended March 31, 2023.
Net Income Attributable to Non-controlling Interests
Net income attributable to non-controlling interests amounted to $1.1 million for the three months ended March 31, 2023, compared to net income attributable to non-controlling interests of $0.2 million for the three months ended March 31, 2022.
Net Income/(Loss) Attributable to Parent Company’s Common Shareholders
Net income attributable to parent company’s common shareholders was $6.8 million for the three months ended March 31, 2023, compared to net loss attributable to parent company’s common shareholders of $0.1 million for the three months ended March 31, 2022, representing an increase in net income attributable to parent company’s common shareholders of $6.9 million.