Last year the Organic Crop Improvement Association in Lincoln, Neb., certified that some Chinese bamboo, including that used by Hebei Jigao, meets the U.

• 去年，伦敦的“有机作物促进委员会”认证了一些中国的竹加工企业，证明这些企业符合美国农业部有关有机物的相关标准。