Can Lingnan Honghaitong be used in Foshan? What's the difference with Guangfotong?

Yes, there is no difference. Now Guangfotong has been upgraded and is compatible with Lingnantong. The discount is the same. Foshan Chancheng and Nanhai take the bus 1 prefix 1.4 yuan, 1 hour and call 0.7 yuan again, with 20% discount for Shunde and 95% discount for some areas.

Lingnan Nantong Card has been applied in Guangzhou, Foshan, Zhaoqing, Jiangmen, Shanwei, Huizhou, Maoming, Shaoguan, Yunfu, Zhuhai, Heyuan, Jieyang, Yangjiang, Zhanjiang, Meizhou, Qingyuan, Chaozhou, Zhongshan, Shantou, Dongguan, Shenzhen and Hong Kong and Macao. The original brand local bus smart card has been automatically upgraded to Lingnantong card, and the original brand local bus smart card can be swiped all over Guangdong Province.