Ụlọ ọrụ SHANDONG JUMP GSC CO., LTD. Adreesị No.2 Lanhai Road, High-tech Mpaghara, Yantai, Shandong China. E-mail ivy@gpsgroup.com.cn Ekwentị +86 13562542425 +86 13562542425 WhatsApp +8613220939283