Chengdu Heltec Energy Technology Co., Ltd. Br. 16, Chenghong Road, okrug Chenghua, Chengdu, Sichuan, Kina jacqueline@heltec-bms.com /echo@heltec-bms.com 0086-028-83267289/+8618123313360 +8618583756538 - Menadžer prodaje - 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
