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由于劳动力、生产、管理和供应链成本持续攀升,国外白炭黑企业纷纷上调产品价格。德国瓦克集团将其全球范围内HDK牌气相
As labor, production, management and supply chain costs continue to rise, foreign silica companies have raised their prices. Germany Wacker Group HDK licensing its worldwide gas phase