China's safety lock market has a vacuum

Locks are closely related to people's lives, but they have always been ignored. "The guardian is not against the villain" is the Chinese people's consistent understanding of locks, so it also leads people to neglect the safety of locks. Many people would rather spend huge sums of

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Steel price is weak, running up and down

It was learned from the National Development and Reform Commission that in October, the National Development and Reform Commission will cooperate with the CPC Central Commission for Discipline Inspection and the Ministry of Supervision to carry out the autumn routine inspection of the implementat

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Mixed use of different compound fertilizers

In the agricultural production process, most people apply compound fertilizer through the combination of basic application and flushing. Now some vegetables in greenhouses are gradually entering the fruiting stage, especially melons, solanaceous vegetables, nitrogen, phosphorus, The demand for pota

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