50kg /d gold, 400kg /d silver refining project case 50kg /d gold, 600kg /d silver refining project case 20 ton/year gold, 300 ton/year silver refining project case 300-ton/year silver refining project case 800ton/year silver refining project case Saudi AMAK gold smelter project case the Zijin Tajikistangold refining project case the TCL Group Gold and Silver Medal Project was successfully put into operation. the TCL Group Gold and Silver Commemorative Medallion casting Project case. the Shangnong Gold and Silver Refinery Project case in North Korea the Silver Refinery Project case of MODISION Company of India the gold refining project of Baiyin Nonferrous Group Copper Company the NOx Gas Treatment Project Gold Electrolysis Project case the Gold Refinery Expansion Project, 50 ton/year gold refining India Copper Electrolysis Project case Nitrogen Oxide Flue Gas Treatment Project case. 500 tons/year silver refining project High purity gold and silver refining project.The purity of finished gold and silver is over 99.999%. Gold ingot project case 500 tons/year silver refining project 40 kg/d gold refining project Johnson Matthey (Shanghai) Catalyst Co., Ltd. NOx oxide gas treatment project. the gold refining, gold bars and gold medals casting project the gold electrolytic refining project platinum smelting refining and purification project 1 kg standard gold ingot project case Gree Electric Appliance Co., Ltd. waste metal polymetallic recycling project the Silver Electrolysis and Ingot Casting Project of Lanzhou Jinchuan Science Park Co., Ltd. the 300 tons/year silver electrolytic refining project 1kg and 12.5kg standard gold ingot project The 50-ton/year gold and 100-ton/year silver refining project Tongling Nonferrous Metals Group Jinguan Copper 10 tons/year gold electrolytic refining project. Tongling Nonferrous Metals Group Jinguan Copper nitrogen oxide flue gas treatment project 300 tons/year silver, 20 tons/year gold, gold and silver refining project The Palladium Purification and Flue Gas Treatment Project Pt, Pd and Rh refining and purification project of CNOOC Taiyuan Precious Metals Co., Ltd. Nitrogen oxide treatment, gold granulation and ingot casting project The 600 t/a silver electrolysis project