Chengdu Heltec Energy Technology Co., Ltd. 16, cesta Chenghong, okrožje Chenghua, Chengdu, Sečuan, Kitajska jacqueline@heltec-bms.com /echo@heltec-bms.com 0086-028-83267289/+8618123313360 +8618583756538 - Vodja prodaje - Jacqueline Zhao E-pošta: Jacqueline@heltec-bms.com Tel./WhatsApp/WeChat:+86 185 8375 6538 Nancy Shi E-pošta: nancy@heltec bms.com Tel./WhatsApp/WeChat:+86 184 8223 7713 Sucre Cheung E-pošta: sucre@heltec-bms.com Tel./WhatsApp/WeChat:+86 136 8844 2313 Justina Xie E-pošta: Justina@heltec-bms.com Tel./WhatsApp/WeChat:+86 187 8432 3681
