Qingdao Free Zone Haotianhang International Trade Co., Ltd.

We are a trading company based in Qingdao Free Trade Zone.

and we have established two plants to produce sodium

alginate, mannitol, seaweed extract(seaweed fertilizer),

calcium alginate, iodine and so on. Because there are rich

raw materials of kelp in Shangdong province. so our

products are very competitive in price.
Sodium alginate, Calcium alginate, Mannitol, Iodine, Seaweed fertilizre, PVA, Chromic acid