It suggested Chinese authorities might certify companies that would be allowed high-speed international access that circumvents the filters. It said those companies might promise to use such networks only for business-related correspondence.
The chamber also appealed to Beijing to increase the size of stakes foreign investors are allowed to own in Chinese Internet and data storage companies.
It warned that security policies that "diverge from global practices" might hamper China's development and appealed to the government to embrace international standards.
U.S. officials are pressing Beijing to help combat Internet-based industrial spying. Pressure increased following the Mandiant report, which said a wave of attacks were traced to a building in Shanghai that is occupied by a Chinese military cyberwarfare unit. The attacks have prompted threats of commercial sanctions by Washington.
An American undersecretary of state, Robert Hormats, warned during a visit to Beijing this month that hacking from China was undermining its relations with Washington.