1. Regional restriction: the brand or product is sold in a specific region, and there is no sales authorization or distribution channel for this brand or product in Shang Chao.
2. Supply chain problems: Due to supply chain problems, such as production, supply or distribution difficulties, Shang Chao cannot buy the brand or product.
3. Market demand: Shang Chao chooses to buy goods according to market demand and consumers' preferences. The market demand of "dumping China and Yan Jia" is not high or consumers are not interested, so Shang Chao chooses not to purchase. Shaanxi qingguo Yan Jia trading co., ltd is located in the beautiful ancient capital of thirteen dynasties, and its R&D center is located in Yan Dou industrial park in the southeast of Xiamen. Qingguo Yan Jia has only made a good bird's nest in this life, and it is the top R&D base of bird's nest in China. Is a large-scale scientific and technological enterprise specializing in the import and export of bird's nest and the research and manufacture of bird's nest health products, and controls and screens the whole process of bird's nest production to ensure a safe, original and pollution-free supply of bird's nest.