Chengdu Heltec Energy Technology Co, Ltd. № 16, Çenghong Road, Çenghua District, Chengdu, Sichuan, Çin jacqueline@heltec-bms.com /echo@heltec-bms.com 0086-028-832672899/+8618123313360 +8618583756538 - Satış meneceri - Jakeline Zhao Elektron poçt: Jacqueline@heltec-bms.com Tel / WhatsApp / WeChat:+86 185 8375 6538 Nancy shi Elektron poçt: nancy @ heltec bms.com Tel / WhatsApp / WeChat:+86 184 8223 7713 Sucre cheung Elektron poçt: sucre@heltec-bms.com Tel / WhatsApp / WeChat:+86 136 8844 2313 Justina Xie Elektron poçt: Justina@heltec-bms.com Tel / WhatsApp / WeChat:+86 187 8432 3681
