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(1) Environmental protection design

Technical modification project for 5,000 t/d mining and beneficiation in copper-gold deposit (District Nine) of Yinshan Mining Co., Ltd, Jiangxi Copper Group

100,000 t/a anode copper project of Huili Kunpeng Copper Co., Ltd.

Yunnan Chihong-Huize 60,000 t/a lead bullion, 100,000 t/a electrolytic zinc and slag comprehensive utilization project

Rare earth metal project for high-performance permanent magnet and hydrogen storage alloy materials in Sichuan Maoniuping rare-earth deposit

Overall relocation, upgrading and reconstruction project of Henan Zhongyuan Gold Smelter Co., Ltd.

(2) Design of safety facility

Mining and beneficiation project of Huibaoling Iron Ore Mine of Shandong Linyi Mining Group Co., Ltd.

100,000 t/a copper smelting project of Yunnan Tin Co., Ltd.

4,000 t / a NdFeB sheet project of Sichuan Jiangtong Rare Earth Magnetic Material Co., Ltd.

Comprehensive utilization project for 30 t / a germanium resource associated with lead-zinc ore of Yunnan Chihong Zinc and Germanium Co., Ltd.

(3) Design of occupational disease protection facility

Duobaoshan copper mine project of Heilongjiang Duobaoshan Copper Industry Co., Ltd.

Technical modification project for comprehensive 500 kt/a polymetallic ore collection and recovery of Yuanqu Smelter, Northern Copper

Comprehensive utilization project for 300,000 t/a germanium resources associated with lead-zinc ore of Yunnan Chihong Zinc and Germanium Co., Ltd.

Nonferrous smelting slag yard project of Hulun Buir economic development zone