имя: Овальный воздуховод (двойной воздуховод)
дата: 2022-01-13 17:29:18
Замечания: 199
О НАС:
We, NEWSTAR PLASTIC INDUSTRY CO.,LTD., is a professional supplier of flexible ventilation ducting for mine and tunnels in China. Being engaged in the field of mine ventilation for more than 30 years, we have rich experience in making all kinds of fle...