Our company is specialized in filter technology research, product development and sales.

我公司是专业从事过滤技术的研究、产品的开发与销售。

youdao

Is a company specialized in the development, production, sales as one of the integrated companies.

公司是一家专业从事研发、生产、销售为一体的综合性公司。

youdao

I is a company specialized in construction machinery sales and traditional Chinese painting.

我公司是一家专门从事工程机械销售及国画。

youdao

I is a company specialized in construction machinery sales and traditional Chinese painting.

我公司是一家专门从事工程机械销售及国画。

youdao