Our porous plastic vents are mainly used in lead-acid batteries, trucks, power-suppliers, communication systems, emergency systems, and so on.
Since 1987, as a company specializing in the manufacturer of Porous Plastic in China, RAINBOW POROUS is supplying basic materials for a variety of fields, especially in Medical field, Consumer field, Industry Field, Stationery Field. The company has long accumulated its know-hows in such fields as filtration, silencer, venting, fludizing, diffusers and wicking. In 2003, we succeed in passing ISO9001 quality system.
At Rainbow, Quality, Service and Value are the principles we founded our business on and remain dedicated to today. We are now making efforts to build up a research and development system that makes it possible providing various materials and precise granularity and coping rapidly with any and all customer requirements. Nowdays, our new 10000 sq plants has started to working.
We hope our homepage helps you to find out desired goods. If you have any question or need additional information, please don't hesitate to contact us.
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