Tengzhou Zhongzheng Chemical Co.,Ltd
Tengzhou Tianshui Bio-Technology Co.,Ltd
Shandong Tengzhou Tianxiang Essence Spice Limited Company
Tengzhou dongxin chemical plant
Tengzhou Jitian Aroma Chemicla Co.,Ltd.
Tengzhou Zhongtai Fine Chemicals Co., Ltd
Tengzhou Aolong Chemical Co., Ltd
Tengzhou Readfine Chemical Co.,Ltd.
Tengzhou Tenglong Chemical Co.,Ltd.
Tengzhou Tengbao Chemical Co.,Ltd
Tengzhou Weiyuan Chemical Co., Ltd.
Tengzhou Jitian Aroma Chemical Co.,Ltd.
tengzhoushi tianhao shengwu kejifazhan co.,ltd
Yixing Zhongzheng Chemical Co., Ltd.
Zhejiang Xianju Tengzhou Chemical Factory
Tengzhou Zhongtai Fine Chemicals Co., Ltd.
Tengzhou Runlong Flavors & Fragrances Co., Ltd.
Tengzhou Xiangyuan Chemical Industrial Co., Ltd.
Tengzhou Aolong Chemical Co., Ltd.
Tengzhou Yinfeng Chemical Co., Ltd.
Tengzhou Jitian Aroma Chemical Co., Ltd.