Chengdu Heltec Energy Technology Co., Ltd. N ° 16, Chenghong Road, district de Chenghua, Chengdu, Sichuan, Chine jacqueline@heltec-bms.com / /echo@heltec-bms.com 0086-028-83267289/ /+8618123313360 +8618583756538 - Directeur des ventes - Jacqueline Zhao E-mail: Jacqueline@heltec-bms.com Tel / WhatsApp / WeChat:+86 185 8375 6538 Nancy Shi E-mail: Nancy @ Heltec Bms.com Tel / WhatsApp / WeChat:+86 184 8223 7713 Sucre Cheung E-mail: sucre@heltec-bms.com Tel / WhatsApp / WeChat:+86 136 8844 2313 Justina Xie E-mail: Justina@heltec-bms.com Tel / WhatsApp / WeChat:+86 187 8432 3681
