Adresse Wuxi Lansen Chemicals Co., Ltd. Telefon +86 15995397368 Email julia.ji@lansenchem.com.cn WhatsApp +86 15995397368 Wuxi Lansen Chemicals Co., Ltd. Adresse Wuxi Lansen Chemicals Co., Ltd. Telefon +86 15995397368 Email julia.ji@lansenchem.com.cn WhatsApp +86 15995397368 Wuxi Lansen Chemicals Co., Ltd.