Dowell Industry Group is working on telecom network equipment field more than 20 years. ພວກເຮົາມີສອງຮ້ານຄ້າ, ຫນຶ່ງແມ່ນຢູ່ໃນອຸດສະຫະກໍາ Shenzhen Dowel ເຊິ່ງຜະລິດຊຸດຂອງ Tenzhen