IC cards, or Integrated Circuit cards, are a popular form of contactless smart cards that are widely used in China for various applications. These cards contain an embedded microchip that securely stores and processes information. If you are seeking to purchase IC cards in China, there are several reliable places to consider. One option is to visit technology markets such as Huaqiangbei in Shenzhen or Zhongguancun in Beijing. These markets offer a wide range of electronic products, including IC cards, at competitive prices. You can explore different stores and compare prices to get the best deal. Another option is to search online platforms such as Alibaba, JD.com, or Taobao. These e-commerce websites have a vast selection of IC cards from various sellers. You can browse through different listings, read customer reviews, and choose the card that best suits your requirements. Additionally, contacting major IC card manufacturers and distributors directly is a viable option. Companies like Goldpac and CEC Huada Electronic Design Co., Ltd. have a strong presence in China and can provide you with high-quality IC cards. Overall, with numerous options available, finding and purchasing IC cards in China is convenient and accessible. Remember to compare prices, consider the reputation of the seller, and choose a card that meets your specific needs.