I was founded in 2005, is one of Yunnan Copper Group Holdings production of lead-based products of the limited liability company.

我公司成立于2005年，是一家云铜集团控股的生产铅产品为主的有限责任公司。

youdao

I was founded in 2005, is one of Yunnan Copper Group Holdings production of lead-based products of the limited liability company.

我公司成立于2005年，是一家云铜集团控股的生产铅产品为主的有限责任公司。

youdao