WenZhou Conch Challenge Biotechnology Co., LTD is the largest phytase manufacturer with 20000MT throughput every year in China. From the year of 2005�?�¯�?�¼?we have successively gotten ISO9001:2000 certificate and other necessary test certificates, now we will get HACCP certificate. Moreover, our phytase products are well popular with the market of Europe, South America, Southeast Asia, etc. over than 30 countries.