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齐齐哈尔僖促水电安装有限公司

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Industry news

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2020-12-29

More than 150 billion yuan investment in sight! Commercial application of smart gas

■Our intern reporter Qi chenfen During the period of epidemic prevention and control, many gas enterprises launched non-contact services such as door-to-door gas delivery. However, the test of the epidemic also highlights the disadvantage ...
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