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Therefore, the following only for street lighting products sales area (inside or outside) margin of changes over time for analysis.

Therefore, the following only to the street light product different sale region (within the boundaries, beyond the border) the ratio of margin change situation carries on the analysis.

Therefore, only the following products to 129,410 different sales regional (inside and outside) The changes in gross margin analysis.

Therefore, the following only for street lighting products sales area (inside or outside) margin of changes over time for analysis.