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Extraction Method and equipment for extracting copper and precious metals from waste circuit boards
The annual Mid Autumn Festival is coming again, and the well prepared benefits for employees of TIEI Extraction Company are also coming as promised. On the afternoon of September 7, the gifts for the Mid Autumn Festival were placed in…
On August 19, 2022, the 10th National Hydrometallurgical Engineering Technology Exchange Conference was held in Changsha, Hunan Province. Zhengzhou Tianyi was invited to participate in this meeting and won the honor of “2022 Best Partner in Hydrometallurgy”. Guests attending this…
Mr. Wang Lijun, the chairman of TIEI Extract, cheered for the new employees, and Mr. Wang told the new employees about the hardships at the beginning of the company’s establishment. Under the leadership of President Wang, TIEI Extraction has moved…
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