1, home installation 3 meters is long enough, but if you need to lengthen, it is best to use a whole tube, do not use the welding, because the general welding of copper pipe wall will produce soot and other debris, through the refrigeration pipeline will be clogged in the capillary or filter, so it is best to buy the same type of high-quality copper tubing, after their own use of flare flapper flare mouth.
2, Zhuhai Gree Electric Appliances Co., Ltd. was founded in 1991, in November 1996 in the Shenzhen Stock Exchange listed. The company was founded in the early days, mainly relying on the assembly and production of household air conditioners, has developed into a diversified, science and technology-based global industrial manufacturing group, the industry covers two major areas of household consumer goods and industrial equipment, products are exported to more than 190 countries and regions.