• Lanxi Longterm International Co., Ltd.
• 86-579-8877298
• China

• Lanxi Qingfeng Chemical Co., Ltd.
• +86-579-88865236
• China

• Lanxi Saida Organic Composite Fertilizer Co., Ltd.
• +86-579-8733288
• China

• Lanxi Sunhow Fine Chemicals (Shanghai Sunhow Chemicals)
• +86-579-88635538, 13566740389, 13566745091
• China

• Lanxi Xincheng Fine Chemical Co., Ltd.
• 86-579-8766440 13706897399
• China

• Lanxi Yida Chemical Reagent Co.,Ltd.
• 86-579-88766576 88765116 13967904037
• China

• Lanxi Zhongkesheng Chemical Co.,Ltd.
• 0579-88606288 88606885
• China

• Lanza Pharma Ltda.
• + 55 11 5533-2181
• Brazil

• Lanzhou Auxiliary Agent Plant
• +86-931-7971300 \7766493
• China

• LANZHOU CHANGXIN FINE CHEMICAL CO.,LTD
• +86-931-8693023
• China

• Lanzhou Dayang Chemical Co.,Ltd.
• +86-931-7363161,7363171,7363181
• China

• Lanzhou Huanghe zinc product Co.,LTD.
• +86-931-7657436
• China

• Lanzhou Huibang Chemical Technology Company Limited
• +86-1559-3135927
• China

• Lanzhou Huifeng Petrochemical Co.,Ltd.,
• +86-931-7987851 7988068 7987458 7988006 7987223 7987461 7988110
• China

• Lanzhou Huishunyuan Fine Chemical Co ., Ltd.
• +86-931-87362345
• China

• Lanzhou Pengfei Heat Preservation Co.,Ltd.
• +86-931-7515881 +86-573-7515887
• China

• Lanzhou Vinylon Group Company
• +86-931-7912242 7912243 7912348
• China

• Laohekou Changyou Power Co.,Ltd.
• +86-710-8233775
• China

• Laohekou Guanglian Technology Co., Ltd.
• +86-710-8237559
• China

• Laohekou Henghai Chemical Co., Ltd.
• 0710-8228113 13807275633
• China