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CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares	Dec. 31, 2021	Dec. 31, 2020
Common stock, authorized	20,000,000	20,000,000
Common stock, issued	7,899,832	7,899,832
Common stock, no par value	$ 0.00	$ 0.00
Treasury stock, shares	167,700	167,700
Common stock, outstanding	7,732,132	7,732,132
ZHEJIANG TIANLAN
Common stock, authorized	82,572,000	82,572,000
Common stock, issued	82,572,000	82,572,000
Common stock, outstanding	82,572,000	82,572,000

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Face amount per share of no-par value common stock.

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The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends.

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