Tongjitang's gross margin reflects higher revenue contribution from lower-margin products, as well as increased costs of raw materials related to herbal medicines, including the cost of barrenwort.    From Wordnik.com.  [RedOrbit News - Technology] Reference

China to convert a provisional national production standard of the Company's principal products to a national final production standard; the Company's ability to continue having the exclusive production rights for its products; the Company's ability to further improve its barrenwort extraction efficiency; the presence of certain side effects in the Company's current products and the Company's ability to identify side effects associated with its current or future products prior to their marketing and sale; the Company's ability to obtain manufacturing or marketing approval for its future products; the Company's dependence on a limited number of distributors for a significant portion of its net revenues; the Company's exposure to the risk of product liability claims and its limited insurance coverage; the.    From Wordnik.com.  [RedOrbit News - Technology] Reference