Tianjin Gaanes Metal Technology Co., LTD. alamat Kamar 818, Gedung 7, Starlight Liaocheng International Finance Center, Dongchang Distinct Liaocheng City, Provinsi Shandong, RRC E-mail sales@tjjnssteel.com Telpon Sales: 13642131571 Dhukungan: 15510977839 WhatsApp +8615822136038 Wechat +8613642131571