• Hangzhou Trylead Chemical Technology Co., Ltd
•  +86-571-87086220 +86-571-56328087 +86-571-56369069
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• Hangzhou Vanco Technology Co., Ltd
•  0086-571-56638021/56638023/88254082
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• Hebei Kingway Chemical Industry Co.,Ltd
•  +86-312 5868672
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• Hangzhou Kalor Chemical Co., Ltd
•  86-571-88185084 88099587 88095867
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• Hangzhou Karssen Chemical Co. Ltd
•  86-571-87234511 87234512
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• Hangzhou GreenSky Biological Tech Co., Ltd
•  0086-571-85390169,85392657
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• Hefei Highzone Fine Chemical S&T CO.,LTD
•  86-0551-3663560
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• HuaYuan Chemical Industry Co., Ltd.
•  +86-21-63232307
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• HWSANDS-OLED
•  561 743-8090
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• Hunan Hengyang Guomao Chemicals Co., Ltd.
•  +86-734-8294889
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• Hengshui OK Enterprise Co.,Ltd
•  86-318-2130097
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• HANDE
•  301 672 3635
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• Hebei Yanjin Imp.& Exp.Co., Ltd
•  (86)311-87836666-811
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• Henan Mol Chemical Co., Ltd.
•  0086 371-66228783 66223252 66200599 66200699
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• Hande Pharmaceuticals Limited
•  +86-755-83865183
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• HUBEI XIANGYUN (GROUP) CHEMICAL CO., LTD
•  86-713-6548630 15327758267
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• Hangzhou Nanbo Biochemical Technoligy Co., Ltd
•  +86-571-88739652
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• Hunan Haili Chemical Industry Co., Ltd
•  0086 13808473856
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• Hangzhou Hongyan Pigment Chemical Co., Ltd
•  +86-571-82175109
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• Henan Sunny Pharmaceutical Co., Ltd
•  86-371-65706158
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• Hangzhou Shilian Medicine Chemical Co., Ltd
•  +86-571-88228154
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• Huizhou Dongjiang Pharmaceutical Co., Ltd.
•  +86-752-2187679
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• Honson Industries Ltd.
•  (905) 752-1822
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• Heze Huayi Chemical Co., Ltd
•  +86-530-2400689 +86-530-2992299
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• Hovione Sociedade Quimica
•  351 21 982 9000
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• Haiyan Boda Fine chemical Co., Ltd
•  86-573-6973836 6973837 6973838
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• Hengdian Group Jiayuan Chemistry Industry Co., LTD.
•  86-0579-6557588 6557198 6557820
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• Hainan Pharchem Industry Co., Ltd
•  +86 898 68580371
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• Hanzhong Hanjiang-Zhenhua Bio-Tec.LTD.
•  0086-916-2231590
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• HangZhou Colorful Pigment Co., Ltd.
•  +86-571-2285 2808
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• Hansa Group AG
•  +49 (0)203-73804-130
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• Hangzhou Xiasha Hengsheng (Sunshine) Chemicals Co.,Ltd
•  +86-571-86923502
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• Hunan SENAN industries and trade imp&exp co.,ltd
•  +86-731-82232246,82220510
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• Hunt Agencies ltd.
•  64 09 274 4114
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• Huayi Isotope Co.
•  + 86 512 52491118
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• Hi-Valley Chemical
•  1-866-221-1594
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• Hummel Croton Inc.
•  908-754-1800
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• Hangzhou Sunny Chemical Co., Ltd
•  86-571-8565-5918, 8821-2363
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• Hangzhou Palmland Technology Development CO.,Ltd.
•  0086-571-8897481
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• Hefei Scenery Chemical Co., Ltd
•  86-551-5121814
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• Hangzhou Kaili Chemical Co.,Ltd.
•  13706483833
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• HANGZHOU HI-TECH FINE CHEMICAL CO., LTD
•  +86-571- 88773795, 88773680, 88773812, 88773831
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• Hangzhou Arondyes Chemical Co.,Ltd.(
•  86-571-86987491
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• HCY BIO-CHEM CO.,LTD
•  86-10-86036103，86-10-85766186
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• Hainan Shunyuan Chemtech. Co., Ltd
•  +86-0898-68529231 68529232
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• HEBEI BAOCHENG CHEMICAL CO.,LTD.
•  86-311-8592-8921,0311-8592-8922 ,0311-8839-8839
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• Hebei Jiheng Group Co., Ltd
•  +86-318-215 0911
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• Hubei Biocause Pharmaceutical CO.,LTD.
•  +86 (0)27 65651730
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• Henan Baofa Meidcal & Chemical Co., Ltd（Henan Huashang Pharmaceutical Co.,Ltd.）
•  +86-370-7295678 7295566
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• Hangzhou Anabolic(tonghua) Chemical Co.,Ltd
•  86-571-63761690
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