The card used should be produced and issued by Zhuhai Goldpac Magnetic Card Company. The company undertakes the card production business of many banks and is one of only four credit card suppliers in the country (some Hong Kong banks' credit cards are also produced by the company). After the finished card is produced, the bank sometimes requires the card production company to send it directly to the customer
Zhuhai Magnetic Card Factory (Goldpac): GSC
Huangshi Magnetic Card Factory (Wanda): HW
p>Tianjin Magnetic Card Factory (Global Magnetic Card): GMCC
Zhongchao Credit Card Factory: ZCCP and TPSH are not sure if they are the same company
Jiangsu Hengbao Card Manufacturer: JSHB
p>TPSH Card Manufacturing in Shanghai (Nanhui or Fengxian) is marked on the lower right corner of the back of the card
HW Hubei Huangshi Card Manufacturing is marked on the upper right corner of the back of the card
GSC Card Manufacturing in Zhuhai, Guangdong Mark it on the upper right corner of the back of the card