Hebei Yidong Carbon Products Co.,Ltd has attended the 25th International Industrial Exhibition, 2019 in Russia.
Hebei Yidong Carbon Products Co., Ltd ໄດ້ເຂົ້າຮ່ວມງານວາງສະແດງອຸດສາຫະກໍາສາກົນຄັ້ງທີ 25, 2019 ໃນລັດເຊຍ.