The chamber issued an annual 400-page report detailing the regulatory barriers that continue to hinder investment in the world's second-largest economy.
European businesses are "suffering from accumulated 'promise fatigue', having witnessed a litany of assurances over recent years that never quite materialised," the position paper said.
The chamber urged the ruling Communist Party to "supplant words with concrete actions and provide reciprocal access to its market".
The restrictions imposed on foreign investments force companies from abroad to partner with local firms and often share vital technology -- if they are not barred altogether from accessing a certain market, the chamber said.
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"We are now calling for the abolition of foreign investment laws," he said, stating that they made China's investment climate too complex, unpredictable and opaque to attract foreign capital.
"The numbers speak for themselves: Chinese investments in Europe rose 77 per cent last year, while EU investments in China fell by a quarter," Harborn said. EU investment fell a further 23 per cent in the first quarter of 2017.
A May survey published by the Chamber showed 54 per cent of EU companies operating in China felt they were treated worse than local counterparts.
The lack of access belies the rhetoric of Chinese leaders.
In January, President Xi Jinping hailed globalisation at the World Economic Forum in Davos and insisted that China was committed to "opening up".
Later that month a government circular pledged to "create an environment of fair competition" and "strengthen efforts to attract foreign investment".