If you want to complain about Gumingmen Store, you can call 123 15 or complain through 123 15 official website. 123 15 is a hotline for consumer complaints and reports, which was set up by People's Republic of China (PRC) and China's State Administration for Industry and Commerce to handle consumer complaints and reports. 123 15 also provides an internet platform to facilitate consumers to submit complaints online. In this way, you can reflect your complaints to the relevant departments and seek solutions.