About product and suppliers:
            9,066 group gsm products are offered for sale by suppliers on Alibaba.com

A wide variety of group gsm options are available to you, such as fda, ce. 

There are 8,868 suppliers who sells group gsm on Alibaba.com, mainly located in Asia. The top countries of suppliers are India, China, and Thailand, from which the percentage of group gsm supply is 1%, 94%, and 1% respectively.