Tengzhou Tongda Algae Engineering Technology Co., Ltd.

Tengzhou Tongda Algae Engineering Technology was registered on 27 August 1999 at 6 Tongkang Road in the Hongxu Economic Development Zone of Tengzhou, Shandong. It makes carrageenan and related products, selling under the Tongda carrageenan name, and has been in that single business for more than twenty years.

Beyond pure carrageenan the company supplies compound thickeners for meat processing, blends of three or more hydrocolloids such as carrageenan, konjac gum and xanthan gum, made to the Chinese national standard GB 26687 and used at typical rates of 0.3 to 1.2 percent in meat products. The company describes its own supply, production and sales organisation as complete, with management, research, production and marketing teams in place, and emphasises raw material control, food safety and plant, process and personal hygiene in production. No capacity, site area, headcount or third-party certification detail is published on the site.