• Shanghai Benro Chemical Co.,Ltd
•  86-21-52178644 13917534498
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• shandong baoyuan chemicL CO.,LTD
•  0533-8515368
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• Shandong yikang pharmaceutical.,ltd
•  0632-5953068 13646375012
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• sinochem
•  0532-85021626
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• ShijaZhuang GuYu Chemicals Co.,Ltd
•  86-311-80863695
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• Shanghai Zeyi Chemicals Co.Ltd
•  +86-021-60525453
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• Shanghai Profirst Co., Ltd.
•  86-21-38122007
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• Shanghai bohuimaoyi company
•  021-57172456
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• SHIJIAZHUANG WEIOU CHEMICALS CO.,LTD
•  +86-311-85069206
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• Shandong Zhongcheng Barium Salt Chemical Co., Ltd
•  +86-533-2065766
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• Shanghai FH Trade Co.,Ltd
•  +86-21-53535353
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• Shijiazhuang DERLI chemical Import & Export trading Co.,Ltd.
•  +86-311-80668048
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• Shijiazhuang Chuangqi chemicals CO,.Ltd
•  86-311-86117129
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• Shijiazhuang Tianluo Chemicals Co.,Ltd
•  15130062852
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• Shandong Tianyi Imp.&Exp. Co.,Ltd.
•  86-536-8863639
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• Shouguang Kerui Ocean Chemical Co.,Ltd
•  +86-536-5458887 +86-15866590795
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• Shijiazhuang Boteni Chemical Industry Co.,Ltd
•  86-311-89281932
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• Shanghai Specialsyn Tech. co,Ltd
•  86-21-13636473591
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• Shijiazhuang Enqi Lipidic Chemical Co.,Ltd
•  86-0311-84448066
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• Shanghai Newgenco Bioscience Co.,Limited
•  +86-571-50720205-8041
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• Shandong Xinquan Pharm Intermediate Co.,Ltd
•  0086-533-6086966 ;0086-533-6086989
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• suzhou erye pharmaceutical ltd.
•  0512-68118377
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• Shijiazhuang ZeYin Chemicals Co.,Ltd
•  86-311-89808060
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• Shandong Liangzou Mineral Industry Group
•  86-159-69985917
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• shandong luwei pharmaceuical CO.,LTD
•  0533-5336417
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• Suzhou Devi pharmatech Co. Ltd.
•  +86-512-65621285
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• Suzhou Youngbon Chemical Co.,Ltd
•  +86-512-69226667
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• shantou ziguang guhan amino acid co.,ltd
•  0086-754-83955611,83955612,13192316516
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• shanxi puhui chemical co.,ltd.
•  +86-351-4693580
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• Shijiazhuang Lonzeal Pharmaceuticals Co., Ltd.
•  +86-10-8217 6280 -805
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• Samon
•  18971419866
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• Shijiazhuang Guhong Chemicals Co., Ltd
•  +86-0311-86861817
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• shijiazhuang telelin chemical export and import co, ltd
•  １５１２８１１３１８８
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• shanghai agrochina international trade co.,ltd
•  86-21-33927652
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• Shandong Northwest Manufacturing Co.,Ltd
•  +86-635-2975159
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• Shandong Hilead Biologic Technology CO.,LTD.
•  +86-15288791276
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• Smith Chemicals Inc
•  +23794664008
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• Shanghai Maigochem Co., Ltd.
•  86-21-66111580
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• shijiazhuanglongchengcemicalsco.ltd
•  86031189867836
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• Shanghai Twisun Bio-Pharm Co., Ltd
•  +86-21-37285589
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• Shijiazhuang Jiasina Chemical Co.,ld
•  +86 0311-67698306
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• Shandong Wuyang Chemical Co.,Ltd.
•  86-13723912079
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• Shijiazhuang Xingtang Chemical Co. Ltd.
•  +86-311-85989556
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• SaoSA International Ltd
•  86-592-5046038
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• sanyuan jinrui natural ingredients co.,ltd
•  +86-29-88490350
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• Suzhou ACE Chemical Technology Co., Ltd.
•  +86-512-62570597
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• Sichuan Goldentree Bio-pharmaceutical Co.,Ltd
•  +86-28-83583393
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• Shanghai Idecorepharm Inc.
•  +86-21-51320669
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• shijiazhuang runde dyes co., ltd.
•  86 -311-85832046
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• Shanghai Korey Pharm Co.,Ltd.
•  021-59890083
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