Chengdu Heltec Energiatehnoloogia Co., Ltd. nr 16, Chenghong Road, Chenghua piirkond, Chengdu, Sichuan, Hiina jacqueline@heltec-energy.com 0086-028-83267289/+8618583756538 +8618583756538 - Müügijuht - Jacqueline Zhao E-post: Jacqueline@heltec-energy.com Tel/WhatsApp/WeChat:+86 185 8375 6538 Nancy Shi E-post: nancy@heltec-energy.com Tel/WhatsApp/WeChat:+86 184 8223 7713 Coco He E-post: sales1@heltec-bms.com Alice Li E-post: sales3@heltec-bms.com
