Chengdu Heltec Energy Technology Co., Ltd. No 16, Chenghong Road, Chenghua District, Chengdu, Sichuan, Çin jacqueline@heltec-energy.com 0086-028-83267289/+8618583756538 +8618583756538 - Satış meneceri - Jaklin Zhao E-poçt: Jacqueline@heltec-energy.com Tel/WhatsApp/WeChat:+86 185 8375 6538 Nensi Şi E-poçt: nancy@heltec-energy.com Tel/WhatsApp/WeChat:+86 184 8223 7713 Coco He E-poçt: sales1@heltec-bms.com Alice Li E-poçt: sales3@heltec-bms.com
