... condition is very convenient.Plantation Bases Tangshan Huiyuan Food Co., Ltd builds the organic chestnut plantation bases ... system, and the chestnut products have passed HACCP Food Safety Management System Certification, JAS International Organic Product Certificate, ... NOP Organic Product Certificate, ISO9001 and HALAL Muslim Food Certificate.Tangshan Huiyuan Food Co., Ltd.Yutai Industry Zone, Yutian, ...