国家空气过滤协会由从事于销售、服务和空气过滤产品生产商等个体及公司组成。
The National Air Filtration Association (NAFA) is comprised of individuals and companies engaged in the sale, service and manufacture of the air filtration products.
我公司是一家专业从事于IT 业外企办公空间装饰空间及配套服务的公司。
Our company specializes in providing office decoration and supporting services for foreign enterprises in the IT industry.
北京丝路传奇国际展览公司，是一所专门从事于国际展览及展会服务的专业性公司。
Beijing Silk Road Legend International Exhibition Co., Ltd is a professional events organiser which is specialized in providing Overseas Exhibition Services.
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