It's free. According to the relevant information inquired, Oupai delivered the cabinet to your door and installed it for free. Installers are trained by the company and have professional installation level. Oupai Home Furnishing Group Co., Ltd. was established in 1994, with the whole cabinet as the leading factor, which promoted the development of related industries, including whole house customization, wardrobe, bathroom, metal doors and windows, armored door, soft decoration, kitchen appliances, furniture, household items, and large self-assembled households. And formed a diversified industrial structure. China is a comprehensive modern integrated home service provider. Oprah Winfrey is a luxury fashion brand under the Group, focusing on the young household style. In 2020, Oupai launched a high-end brand and officially entered the HD market.