- About product and suppliers:
Alibaba.com offers 40,970 ii grade products. About 2% of these are sulphate, 1% are vitamins, amino acids and coenzymes, and 1% are auxiliaries and other medicinal chemicals.
A wide variety of ii grade options are available to you, such as free samples, paid samples.
There are 40,970 ii grade suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of ii grade respectively.
Ii grade products are most popular in Northern Europe, South America, and North America.
You can ensure product safety by selecting from certified suppliers, including 13,859 with ISO9001, 7,462 with ISO13485, and 5,777 with Other certification.