As trade tensions between Beijing and Brussels continue to rise, China’s firms in the European Union have been forced to walk a delicate tightrope: expanding their presence in the lucrative market while grappling with heightened regulatory hurdles and rapid geopolitical shifts. In the first part of this three-part series, we look at a new, complex EU carbon tariff system that has business owners scratching their heads. Neil Miao has been exporting metal hardware to Europe for years. But earlier...