Alamat Wuxi Lansen Chemicals Co., Ltd. telefon +86 15995397368 E-mel julia.ji@lansenchem.com.cn WhatsApp +86 15995397368 Wuxi Lansen Chemicals Co., Ltd. Alamat Wuxi Lansen Chemicals Co., Ltd. telefon +86 15995397368 E-mel julia.ji@lansenchem.com.cn WhatsApp +86 15995397368 Wuxi Lansen Chemicals Co., Ltd.