What is polyglutamic acid?

polyglutamic acid is a biopolymer. Polyglutamic acid, also known as natto gum and polyglutamic acid, is a water-soluble, biodegradable and non-toxic biopolymer prepared by microbial fermentation. Polyglutamic acid is a sticky substance, which was first discovered in natto.

A piece of cake can be sold for "tens of millions of dollars". What is the origin of this cake that attracted Jay Chou to "join him"?

What about Xiamen Eliza Technology Co., Ltd.?

Double happiness round box price 50 PCs.

Who can apply for cancellation of a registered trademark?

What conditions need to be met for the main body change of Tmall online store?

How to pay personal income tax when transferring trademark ownership?

Where is the address of Hebei Construction Engineering Group?

Has Jiaoyan ever registered a trademark? What other categories can be registered?

Budweiser black gold beer? Really?

What category does the registered trademark of fishing tackle (fishing rod) belong to?