It depends on the value of the sample. Generally, Shanghai Xuanyuan Air Conditioning Equipment Co., Ltd. will send free flexible duct supplier sample but the freight is charged by you. We always work with the most reliable courier company to deliver samples at an affordable price. Considering the long-term relationship development, we generally send free sample to customers with our good faith.
Xuanyuan Air Conditioning Equipment is a promising enterprise in field of combi flexible duct. The insulation flexible duct series has become a hot product of Xuanyuan Air Conditioning Equipment. Xuanyuan aluminum flexible duct must go through the following inspection process. They are surface defects tests, specification consistency tests, mechanical properties tests, functional realization tests, etc. It will look good in any setting that it is placed in thanks to its shiny surface. Being well sealed, it serves as a protective shell. It blocks water vapor, dust, etc. from contacting the items being packaged. It is ideal for general purpose exhaust applications.
Customer satisfaction is the highest goal of Xuanyuan Air Conditioning Equipment. Inquiry!