

Hailongyuan' s chitosan oligosaccharide (COS) is produced by using high quality chitosan extracted from deep- sea snow crabs. The final product becomes natural non- toxic, small molecular weight, easily soluble in water.






Contact Us
Tel:+86-532-82673605
Fax: +86-532-82651805
Overseas Business(WhatsApp): + 86 13792483250
E-mail:sale@hailongyuan.com
URL:www.hailongyuan.com
Sales Center: Room 2619-2621, Block 2 Noble Plaza, No.328 Dunhua Road,
Qingdao City 266000, Shandong Province, China
Factory Address: No. 688 South Industrial Road, Changcheng Town, Zhucheng
City 262200, Shandong Province, China
SHANDONG HAILONGYUAN BIO-TECH CO.,LTD. all rights reserved record number: Lu ICP No.19037345