| W3A03-04 | www.cheminfo.gov.cn/www.chem.com.cn |
| W3A09-10 | ROSEDALE Filtration Products, Inc. |
| W3A11-12 | Chemical Industry Press |
| W3A13-14 | Zhangjiagang City Lanniao Machinery Co., Ltd. |
| W3A15-16 | Jiangyin Hongda Powder Equipment Co., Ltd. |
| W3B01 | Hitachi Chemical (Shanghai) Co.,Ltd. |
| W3B07 | URALCHIMPLAST, JSC |
| W3B08 | EXPOCENTR, JSC |
| W3B09 | URALKHIMPROM CO. LTD |
| W3B10 | TRANSCHEMEXPORT CO. LTD. |
| W3B11 | LG Chem China Investment Co., Ltd. |
| W3B12 | Siemens Ltd. China |
| W3B13 | Tuthill China Group |
| W3B25-30 | France Pavilion |
| W3B31 | China National Petroleum Corporation |
| W3B32 | China Petroleum & Chemical Corporation |
| W3B33 | China National Offshore Oil Corporation |
| W3B34 | Sinochem Corporation |
| W3B44 | Shanghai Mintchem Development Co.Ltd |
| W3B52 | Zibo Jielin Plasjic Pipe Manufactire Co.,Ltd |
| W3B62 | SHANGHAI SHENBEI PUMP MANUFACTURING CO.,LTD |
| W3B64 | Modern Dyestuffs &Pigments Co.,Ltd |
| W3B78 | Modentic Valve Corp.(Nanjing) |
| W3B82 | Changzhou Anli Drying Equipment Co.,Ltd |
| W3C09-10 | Allied Supreme Corp. |
| W3C11 | Gardner Denver Nash Machinery Ltd.(nash_elmo Industries China Ltd.) |
| W3C12 | International Process Plants(IPP) |
| W3C13 | Descote |
| W3C15 | INEVO |
| W3C16 | GPS Global Pallents and Packaging Services |
| W3C17 | ARTKIM-TURKCHEM |
| W3C19 | IDT |
| W3C26-27 | Poly Olefin Chemical Industry |
| W3C28 | Transpek Industry Limited |
| W3C29a | "PENTA-91" Ltd. |
| W3C29b | Terneuzen Powder Technologies (TPT) |
| W3C30 | Zhuji Jiasheng Packaging Material Co., Ltd. |
| W3C31 | Thermo Niton Analyzers,LLC(HK) |
| W3C32 | Donaldson(Wuxi)Filter Co., Ltd. |
| W3C33 | Safer Systems |
| W3C35-36 | Louisiana Chemical Equipment Co., L.L.C. |
| W3C37b | Norit Purification System Shanghai Co.,Ltd |
| W3C38a | US Commecial Service |
| W3C38b | Pope Scientific, Inc. |
| W3C39 | Industrial Asset Management LLC |
| W3C40 | TCI (Shanghai) Development Co.,Ltd |
| W3C41 | Shanghai Nagase Trading Co.,Ltd(Nagase Chemtex Corporation) |
| W3C42 | Phoenix Equipment Corporation |
| W3C43 | China National Chemical Corporation |
| W3C44 | Shanghai Huayi(Group)Company |
| W3C49 | AINGDAO HAIWAN GROUP CORPORATION LIMITED |
| W3C51 | Shanghai Kingtainer Corporation |
| W3C73 | Zhangjiagang Dingshi Machinery Co., Ltd. |
| W3D01-03 | VALQUA (SHANGHAI) TRADING CO., LTD. |
| W3D04 | Consulate General of the Republic of Poland |
| W3D07 | Tapflo (Wuxi) Pump Co., Ltd. |
| W3E01 | Nanjing Becomes Additive Factory |
| W3E02 | FAR-EASTEM(NINGBO) PLASTICS AND METALS INDUSTRIAL CO.,LTD |
| W3E03 | Jiangsu Huaihe Chemicals Co., Ltd. |
| W3E06 | Shangdong Shouguang Songchuan Industrial Additives Co.,Ltd |
| W3E08 | Jiangyin Chance Machinery Manutacturing Co.,Ltd |
| W3E09 | Sealtex Co.,Ltd |
| W3E11 | Fuxin Ruiguang Fluorine Chemistry Co., Ltd |
| W3E14 | Wezhou Chemistry Material Factory |
| W3E15 | Jiangyin Hengda Packing Machinery Co.,Ltd |
| W3E16 | Xian Kosun Centrifuge Machinery Co.,Ltd |
| W4A03 | SONEF LIMITEP |
| W4A04 | CHEMNGDE CHENGXIN AUTOMATION ENGINEERING CO.,LTD |
| W4A05 | HENAN HARVEST CHEM CO.,LTD |
| W4A07 | CHENGDU NABTA CHEMICAL INDUSTRYL CO。,LTD |
| W4B01 | Tangshan Chaoyang Chemical Co.,Ltd |
| W4B05 | Inner Mongolia Jianlong Biochemical Co.,Ltd |
| W4B07 | Tianjin Kaifeng Chemical Co.,Ltd |
| W4B09 | Shandong Heli Water Dreatment Co., Ltd |
| W4B10 | Shanghai Jinzhu Machinery Equipment Co.,Ltd |
| W4B11 | Zibo Guangtong Chemical Limited Company |
| W4B12 | Chanpxha May Shine Chemical Co.Ltd |
| W4B13 | Shandong Luhai Drilling & Production Technclogy Co., Ltd |
| W4B14 | Shanghai Sticker Trading Co.,Ltd |
| W4B15 | Tianjin East Lion International Shipping Co.,Ltd |
| W4B16 | Deze Yineng Chemical Co.,Ltd |
| W4B17 | Shanghai Di Long International Trade Co.,Ltd |
| W4B18 | Shang Hai Songyu Machinery Co.,Ltd |
| W4B19 | Xuzhou Tianjia Food Chemical Co.,Ltd |
| W4B20 | Shanghai Donghua High Pressure Homogeniger Factory |
| W4B21 | Guizhou Housheng Chem Co.,Ltd |
| W4B23 | Wonzhou Ou Yang Barcode Technclogy Co.,Ltd |
| W4B24 | Jingjing Dkd Filter System Co.,Ltd |
| W4B25 | Shandong Huayou Chemistry Co.,Ltd |
| W4B26 | Zibo Pulisi Trading Co.,Ltd |
| W4B27 | Nianjing Datang Chemical Co.,Ltd |
| W4C04 | Mianyang Aostar Phosphorus Chemical Industry Co.,Ltd |
| W4C06 | Fluoride Chemicals (Yunnan)Co.,Ltd |
| W4C07 | Shanghai Huixin |
| W4C09 | Zhangjiagang Feihang Industry Co.,Ltd |
| W4C16 | Liaoning Fuyuan Chemical Co.,Ltd |
| W4C17 | Weihai Automatically-Controlled Reaction Kettle Co.,Ltd |
| W4C18 | Singlong Hongkong Gpoup Limited |
| W4C19 | Feicheng Acid Chemicals Co.,Ltd |
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