jibei,Qingdao,China Qingdao, Shandong

We are eager to establish business relationships with customers and friends from all over the world, and we are willing to cooperate with all our friends to approach prosperous future....

Sodium methoxide, Sodium ethoxide, 2,6-Dihydroxybenzoic acid, Bispyribac-sodium, Methylthioacetaldoxime...

No. 689 Qingshan Road Qingdao, Shandong

Qingdao Longsen Biotech Co., Ltdestablished in 2008, is one of the manufacturers which have an early start in producing raw materials of sodium hyaluronate (hyaluronic acid) and biological products of...

formic acid ,sodium formate , melamine...