Shenzhen, the temperature has declined, immediately entered the fall, as is known to all, the lower the temperature, the test of cooling and refrigeration products is huge. If the technology is not mature, the visibility is not enough, in the low temperature environment is very easy to appear the situation of the market downturn, especially in the northern winter use. Therefore, in the cold north, the promotion of the refrigeration market is more difficult than the south. Special service areas, so that the heat pump in the technology, quality, performance, service and other aspects of the requirements of more than the south. But this does not hinder the professional brand of heat pump companies to open up the pace of the northern market, they are based on sophisticated technology, a large scale air to the north to promote the market. Http://www.szdxj.com