北京首钢国际工程有限公司携福州严创环境科技有限公司为贵州水城钢铁集团焦化厂脱硫脱硝工程贡献一份力量！Beijing Shougang International Engineering Co., Ltd. and Fuzhou Yanchuang Environmental Technology Co., Ltd. have contributed an environmental protection force to the desulfurization and denitration project of Guizhou Shuicheng Steel Group coking pla