We are professional manufacturing 4A ZEOLITE, and one of the largest 4A ZEOLITE manufacturer in China . our products 80% supply for P&G/Asia and Kao/Japan. Our 4A Zeolite quality is top one in Asia, and size is only1-2um,White grade(w=y):97+_0.5%,Sieve residue(wet sieve):<0.2%  ,mgCaCO3(dry):320+_10mgCaCO3/g. If you are interested in ZEOLITE detergent builders, and have any enquires, pls feel free to contact with me.