The article discusses how China improved its tax system for foreign businesses after learning from American tax experts in 1979. China now has clearer tax laws and offers more opportunities for foreign businesses. It explains different taxes that foreign businesses need to pay in China and how these taxes affect business operations. The article also looks at how Chinese tax authorities handle various business activities like joint ventures and contracted projects. Overall, China's tax system for foreign businesses is now more aligned with international standards, but there may still be some unique practices to watch out for.