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ppm和mg/m3的换算在线

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ppm和mg/m3的换算在线

Continuous progress has been made in China’s business environment, market inclusiveness, industrial layout, and investment policies, which constitute favorable conditions for international investors eyeing to invest in the country, noted Paggy Zhang, senior trade and investment officer of Catalonia Trade and Investment in an interview with China News Network during the 24th China International Fair for Investment and Trade.

She also praised the strong team spirit and solidarity shared by Spanish and Chinese people. She added that with the spirit, Spain and China can deepen cooperation and form closer ties. (Lin Zhuowei)


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