Especially in yesteryear July and August, the overall price of air-conditioning products rose above 15%. Indeed, in one more year or two, as natural material costs have skyrocketed, some kitchen appliances have begun to introduce fresh materials, and some companies have adopted alternative materials in order to reduce costs..

It can be seen the fact that conversion efficiency of aluminum tubes is still not competitive with copper tubes. Some air-conditioning companies replaced a bunch of copper tubes with aluminum tubes so that you can reduce costs. In 2013, this copper-aluminum pipe game while in the air-conditioning industry, and the top 10 air-conditioning companies in the market, have all turned off their aluminum tubes. Xu Dongsheng, deputy director on the China Household Electrical Appliances Connections, said that as early since 2013, the entire household product industry was also facing further up pressure on raw materials.

Recently, prices of copper along with other metal raw materials have increased, and Oil cooler BPHE the increase in home appliance raw materials has ended in a considerable increase in how many home appliances. In the energy water heater industry, the press reporter also found that some companies, in order to save prices, will replace the heart of the gas water heater - heat exchangers using s / s, causing a high degree of concern on the market. His impression had always been to use copper.

A couple of days ago, some members of the public told reporters the fact that gas water heater at your house was broken, and that the heat exchanger grown to be stainless steel when it has been opened for maintenance. The cooling effect continues to questioned so far