Chengdu Heltec Energy Technology Co., Ltd. No 16, Jalan Chenghong, Kacamatan Chenghua, Chengdu, Sichuan, Cina jacqueline@heltec-energy.com 0086-028-83267289/+8618583756538 +8618583756538 - Ménéjer panjualan - Jacqueline Zhao Surélék: Jacqueline@heltec-energy.com Telepon/WhatsApp/WeChat:+86 185 8375 6538 Nancy Shi Surélék: nancy@heltec-energy.com Telepon/WhatsApp/WeChat:+86 184 8223 7713 Coco Anjeunna Surélék: sales1@heltec-bms.com Alice Li Surélék: sales3@heltec-bms.com
