Air filter and Carbin filter started max production at Hebei province Xingtai city Qinghe county north of China since 10 years before. This town is rich in wooden filter paper but common quality than Korea Ahlstrom filter paper. My company fly here to investigation and learn each other factory. Air filter product is light weight but big volumn. It takes large area when stock the goods. Fortunately this city land, house and labor are very low in China. That's the advantage of cheap price.

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