There is significant resentment against the practice, which frequently leaves goods Online Cigarettes Store USA in short supply in border towns, and has driven up the price of commodities as well as shop rents.
"If the police could spare one of the cars they drove here to handle the march to instead deal with the trading problem, we would not have to organise this protest," said Dino Chan, a Sheung Shui district councillor and one of the rally organisers.
He added that 42 people were arrested following the violence.
The anti-government protests have been blamed for helping plunge Hong Kong's economy into recession Newport Cigarettes Shop for the first time in a decade.
The protests were triggered by a proposal to allow extraditions to mainland China, but have morphed into a broader revolt for democratic freedoms.
They often descend into violent clashes, with protesters using petrol bombs and other makeshift weapons, and the police responding with tear gas and rubber bullets.
On Sunday the violence was not at the level seen during many previous protests, with police using pepper spray to disperse crowds but not tear gas.
China and the Hong Kong administration have refused to bow to protester demands, which include direct elections, Cheap Newport 100s cigarettes an inquiry into alleged police misconduct and amnesty for the nearly 7,000 people arrested so far.