Heilongjiang LED lighting market research: lighting industry "out of the exchange" into the wind
On May 28th, the author visited Shuangyashan City, Huanan County and Qitaihe City in Heilongjiang Province. Shuangyashan City is located in the northeastern part of Heilongjiang Province, with an area of ​​22,483 square kilometers and a population of 1.51 million. It is an important co
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