Indirizzu Wuxi Lansen Chemicals Co., Ltd. telefonu +86 15995397368 E-mail julia.ji@lansenchem.com.cn WhatsApp +86 15995397368 Wuxi Lansen Chemicals Co., Ltd. Indirizzu Wuxi Lansen Chemicals Co., Ltd. telefonu +86 15995397368 E-mail julia.ji@lansenchem.com.cn WhatsApp +86 15995397368 Wuxi Lansen Chemicals Co., Ltd.