Xiamen honwan import&export co.,ltd which was founded in 1992.our factory is a world famous manufacturer and exporter for 4a zeolite and molecular sieve.our 4a zeolite quality is very high grade, and size is only1-2um. now, over 80% supply for p&g asia/japan kao. during 18 years hard working, we have gained a well-known brand both in and abroad.