• Yicheng Friend Pharmaceutical & Chemical Co., Ltd.
• 86-710-4280293 13605407112
• China

• Yicheng Goto Pharmaceuticals Co.,Ltd.
• 86-710-3423122 3423123
• China

• Yicheng Hongxin Resin Co., Ltd.
• +86-710-4394088
• China

• Yicheng Yongxin Fine Chemical Co., Ltd.
• +86-0710-4323699
• China

• Yichun Qiding Biotechnology Co., Ltd.
• +86-795-7090329
• China

• Yichun Yuanda Bio-engineering Co.,Ltd.
• +86-795-2197808
• China

• Yick-Vic Chemicals & Pharmaceuticals
• (852)2541 2772
• France

• Yidu Chuxin Industrial Enamel Co., Ltd.
• +86-717-4825519 4825598
• China

• Yiduo (Wuxi) Fine Chemical Co.,Ltd.
• +86-510-83312218(Hydrogen peroxide);83314927(Sodium methoxide)
• China

• Yieh.com
• 886-7-6117197
• Other Regions

• YIFAN BIOTECHNOLOGY GROUP CO., LTD.
• +86-0577-86630101, 88908215
• China

• yifulaichemical Co.,Ltd
• 355-022-60501162
• Albania

• Yii Cherng International Ltd.
• 886-6-2573191
• China

• Yii Chwan Enterprise
• +886-4-25347101
• China

• Yiima Techonlogy CO., Ltd
• 886-6-2053146 / 2058996
• Taiwan

• YILMAZ KIMYA INSAAT SAN.TIC.A.S.
• 90-216-3141037
• Turkey

• Yiming Pharmaceutical & Chemical Co.,Ltd.
• 13933862592
• China

• Yinchuan Mintai Fine Chemical Industry Co., Ltd.
• +86-951-2029607 2029263 2024840
• China

• Ying Kou Hua Chang Chemicals Factory
• +86-417-2135589 3632354
• China

• Yingcheng Dongcheng Silicone Co., Ltd.
• 0712-3520898 13807291394
• China