bf88必发

Polymer masterbatch containing anti-mite agent, monofilament for anti-mite air filter and its preparation process and use

Monofilament for bamboo charcoal air filter and its preparation process and use

A double-layer honeycomb structure filter

A kind of filter material and its preparation method and use

A surface leveling treatment method of air framed filter

The use of a plate heat ventilation and a container whose housing contains at least one such plate heat ventilation

Photocatalyst antibacterial and mildew proof negative ion polypropylene monofilament and its preparation method and use

Conductive masterbatch, conductive polymer monofilament and preparation method and use

Monofilament capable of emitting negative ions and preparation method and use