Qingdao Yulong Algae Co.LTD was established in 1991(transformed from a joint venture) .It dated back to 1958 when it started up as a kelp farming. From 1968, it has begun the production and developed the sodium alginate, iodine, fucoidan, mannitol, chloral hydrate…etc.

The company is the only enterprise which is ratified by China FDA to produce medicine grade chloral hydrate with the sole drug approval number H37022673. So it is the only legal supplier for chloral hydrate preparations to hospital and other markets.