Main business including: product sales, weak construction and so on.

主营业务包括：产品销售、弱电工程建设等方面。

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Weak construction activity has been dragging down the economy for a year or more and will keep doing so for a while yet.

ECONOMIST: Amid the gloom

Philips said weak construction activity was hurting its lighting division, though LED light sales were up 38 percent as the new technology continues to replace traditional incandescent bulbs.

NPR: Philips First Quarter Profits Fall As Sales Slip

So yes, housing now might still be in recession conditions, with the pace of new home sales slow and home construction weak, and prices still down by more than 20% nationally from their peak in 2006.

FORBES: Buyback Stocks And A Housing Bottom