

Metal | Standard Smelter Name | City/State/Province | Country | Status | ||||||||||
Tungsten | A.L.M.T. Corp. | Toyama City | Japan | Conformant | ||||||||||
Gold | Abington Reldan Metals, LLC | Pennsylvania | USA | Conformant | ||||||||||
Gold | Advanced Chemical Company | Rhode Island | USA | Active | ||||||||||
Gold | Agosi AG | Pforzheim | Germany | Conformant | ||||||||||
Gold | Aida Chemical Industries Co., Ltd. | Tokyo | Japan | Conformant | ||||||||||
Gold | Almalyk Mining and Metallurgical Complex (AMMC) | Tashkent | Uzbekistan | Conformant | ||||||||||
Tin | Alpha Assembly Solutions Inc. | Pennsylvania | USA | Conformant | ||||||||||
Tantalum | AMG Brasil | São João del Rei | Brazil | Conformant | ||||||||||
Gold | AngloGold Ashanti Corrego do Sitio Mineracao | Nova Lima | Brazil | Conformant | ||||||||||
Gold | Argor-Heraeus S.A. | Mendrisio | Switzerland | Conformant | ||||||||||
Gold | Asahi Metalfine, Inc. | Bando Ibaraki | Japan | Conformant | ||||||||||
Gold | Asahi Refining Canada Ltd. | Ontario | Canada | Conformant | ||||||||||
Gold | Asahi Refining USA Inc. | Utah | USA | Conformant | ||||||||||
Gold | Asaka Riken Co., Ltd. | Tamura | Japan | Conformant | ||||||||||
Tungsten | Asia Tungsten Products Vietnam Ltd. | Vinh Bao District | Vietnam | Conformant | ||||||||||
Gold | Aurubis AG | Hamburg | Germany | Conformant | ||||||||||
Tin | Aurubis Beerse | Beerse | Belgium | Conformant | ||||||||||
Tin | Aurubis Berango | Berango | Spain | Conformant | ||||||||||
Gold | Bangalore Refinery | Bangalore | India | Active | ||||||||||
Gold | Bangko Sentral ng Pilipinas (Central Bank of the Philippines) | Quezon City | Philippines | Conformant | ||||||||||
Gold | C. Hafner GmbH + Co. KG | Pforzheim | Germany | Conformant | ||||||||||
Gold | CCR Refinery - Glencore Canada Corporation | Montréal | Canada | Conformant | ||||||||||
Tantalum | Changsha South Tantalum Niobium Co., Ltd. | Changsha | China | Conformant | ||||||||||
Tin | Chenzhou Yunxiang Mining and Metallurgy Co., Ltd. | Chenzhou | China | Conformant | ||||||||||
Tin | Chifeng Dajingzi Tin Industry Co., Ltd. | Chifeng | China | Conformant | ||||||||||
Gold | Chimet S.p.A. | Arezzo | Italy | Conformant | ||||||||||
Tungsten | China Molybdenum Tungsten Co., Ltd. | Luoyang | China | Conformant | ||||||||||
Tin | China Tin Group Co., Ltd. | Laibin | China | Conformant | ||||||||||
Tungsten | Chongyi Zhangyuan Tungsten Co., Ltd. | Ganzhou | China | Conformant | ||||||||||
Gold | Chugai Mining | Tokyo | Japan | Conformant | ||||||||||
Tantalum | CMT Rare Metal Advanced Materials (Hunan) Co., Ltd. | Hunan Sheng | China | Conformant | ||||||||||
Gold | Coimpa Industrial LTDA | Manaus | Brazil | Conformant | ||||||||||
Tin | CRM Fundicao De Metais E Comercio De Equipamentos Eletronicos Do Brasil Ltda | São José | Brazil | Conformant | ||||||||||
Tin | CRM Synergies EMEA, S.L.U. | Toledo | Spain | Conformant | ||||||||||
Tungsten | Cronimet Brasil Ltda | Araquari | Brazil | Conformant | ||||||||||
Tin | CV Ayi Jaya | Sungailiat | Indonesia | Conformant | ||||||||||
Tantalum | D Block Metals, LLC | North Carolina | USA | Conformant | ||||||||||
Tin | Dongguan Best Alloys Co., Ltd. | Guangdong | China | Conformant | ||||||||||
Gold | Dowa | Kosaka | Japan | Conformant | ||||||||||
Metal | Standard Smelter Name | City/State/Province | Country | Status | ||||||||||
Tin | Dowa | Kosaka | Japan | Conformant | ||||||||||
Gold | DSC (Do Sung Corporation) | Gimpo | Republic of Korea | Conformant | ||||||||||
Gold | Eco-System Recycling Co., Ltd. East Plant | Honjo | Japan | Conformant | ||||||||||
Gold | Eco-System Recycling Co., Ltd. North Plant | Kazuno | Japan | Conformant | ||||||||||
Gold | Eco-System Recycling Co., Ltd. West Plant | Okayama | Japan | Conformant | ||||||||||
Gold | Elite Industech Co., Ltd. | Kaohsiung | Taiwan, Province of China | Conformant | ||||||||||
Tin | EM Vinto | Oruro | Bolivia | Conformant | ||||||||||
Tin | Estanho de Rondonia S.A. | Ariquemes | Brazil | Conformant | ||||||||||
Tantalum | F&X Electro-Materials Ltd. | Jiangmen | China | Conformant | ||||||||||
Tin | Fabrica Auricchio Industria e Comercio Ltda. | Mogi das Cruzes | Brazil | Conformant | ||||||||||
Tin | Feinhutte Halsbrucke GmbH | Sachsen | Germany | Conformant | ||||||||||
Tin | Fenix Metals | Chmielów | Poland | Conformant | ||||||||||
Tantalum | FIR Metals & Resource Ltd. | Zhuzhou | China | Conformant | ||||||||||
Gold | GG Refinery Ltd. | Geita | United Republic of Tanzania | Conformant | ||||||||||
Tungsten | Ganzhou Jiangwu Ferrotungsten Co., Ltd. | Ganzhou | China | Conformant | ||||||||||
Tungsten | Ganzhou Seadragon W & Mo Co., Ltd. | Ganzhou | China | Conformant | ||||||||||
Tin | Gejiu Non-Ferrous Metal Processing Co., Ltd. | Gejiu | China | Conformant | ||||||||||
Tantalum | Global Advanced Metals Aizu | Aizuwakamatsu | Japan | Conformant | ||||||||||
Tantalum | Global Advanced Metals Boyertown | Pennsylvania | USA | Conformant | ||||||||||
Tin | Global Advanced Metals Greenbushes Pty Ltd. | Greenbushes | Australia | Conformant | ||||||||||
Tungsten | Global Tungsten & Powders Corp. | Pennsylvania | USA | Conformant | ||||||||||
Gold | Gold by Gold Colombia | Medellín | Colombia | Conformant | ||||||||||
Gold | Gold Corporation - The Perth Mint | Perth | Australia | Conformant | ||||||||||
Tin | Guangdong Hanhe Non-Ferrous Metal Co., Ltd. | Chaozhou | China | Conformant | ||||||||||
Tantalum | Guangdong Rising Rare Metals-EO Materials Ltd. | Guangdong Sheng | China | Conformant | ||||||||||
Tungsten | Guangdong Xianglu Tungsten Co., Ltd. | Chaozhou | China | Conformant | ||||||||||
Tungsten | H.C. Starck Tungsten GmbH | Goslar | Germany | Conformant | ||||||||||
Gold | Heimerle + Meule GmbH | Pforzheim | Germany | Conformant | ||||||||||
Tantalum | Hengyang King Xing Lifeng New Materials Co., Ltd. | Hengyang | China | Conformant | ||||||||||
Gold | Heraeus Germany GmbH Co. KG | Hanau | Germany | Conformant | ||||||||||
Gold | Heraeus Metals Hong Kong Ltd. | Fanling | China | Conformant | ||||||||||
Tungsten | Hubei Green Tungsten Co., Ltd. | Shenzhen | China | Conformant | ||||||||||
Tin | HuiChang Hill Tin Industry Co., Ltd. | Ganzhou | China | Conformant | ||||||||||
Gold | Impala Platinum - Base Metal Refinery (BMR) | Gauteng | South Africa | Conformant | ||||||||||
Gold | Impala Platinum - Platinum Metals Refinery (PMR) | Gauteng | South Africa | Conformant | ||||||||||
Gold | Impala Platinum - Rustenburg Smelter | North West | South Africa | Conformant | ||||||||||
Gold | Inner Mongolia Qiankun Gold and Silver Refinery Share Co., Ltd. | Hohhot | China | Conformant | ||||||||||
Gold | Ishifuku Metal Industry Co., Ltd. | Soka | Japan | Conformant | ||||||||||
Gold | Istanbul Gold Refinery | Kuyumcukent | Turkey | Conformant | ||||||||||
Gold | Italpreziosi | Arezzo | Italy | Conformant | ||||||||||
Gold | Japan Mint | Osaka | Japan | Conformant | ||||||||||
Tungsten | Japan New Metals Co., Ltd. | Akita City | Japan | Conformant | ||||||||||
Tungsten | Jiangwu H.C. Starck Tungsten Products Co., Ltd. | Ganzhou | China | Conformant | ||||||||||
Gold | Jiangxi Copper Co., Ltd. | Guixi City | China | Conformant | ||||||||||
Metal | Standard Smelter Name | City/State/Province | Country | Status | ||||||||||
Tantalum | Jiangxi Dinghai Tantalum & Niobium Co., Ltd. | Fengxin | China | Conformant | ||||||||||
Tungsten | Jiangxi Gan Bei Tungsten Co., Ltd. | Jiangxi Sheng | China | Conformant | ||||||||||
Tin | Jiangxi New Nanshan Technology Ltd. | Ganzhou | China | Conformant | ||||||||||
Tantalum | Jiangxi Suns Nonferrous Materials Co. Ltd. | Jiangxi | China | Conformant | ||||||||||
Tungsten | Jiangxi Tonggu Non-ferrous Metallurgical & Chemical Co., Ltd. | Tonggu | China | Conformant | ||||||||||
Tantalum | Jiangxi Tuohong New Raw Material | Yichun | China | Conformant | ||||||||||
Tungsten | Jiangxi Xinsheng Tungsten Industry Co., Ltd. | Ganzhou | China | Conformant | ||||||||||
Tungsten | Jiangxi Yaosheng Tungsten Co., Ltd. | Ganzhou | China | Conformant | ||||||||||
Tungsten | Jing Yuan Tungsten Technology Co., Ltd. | Chinese Taipei | Taiwan, Province of China | Conformant | ||||||||||
Tantalum | JiuJiang JinXin Nonferrous Metals Co., Ltd. | Jiujiang | China | Conformant | ||||||||||
Tantalum | Jiujiang Tanbre Co., Ltd. | Jiujiang | China | Conformant | ||||||||||
Tantalum | Jiujiang Zhongao Tantalum & Niobium Co., Ltd. | Jiujiang | China | Conformant | ||||||||||
Gold | JX Nippon Mining & Metals Co., Ltd. | Ōita | Japan | Conformant | ||||||||||
Gold | Kazzinc | Ust-Kamenogorsk | Kazakhstan | Conformant | ||||||||||
Tantalum | KEMET de Mexico | Matamoros | Mexico | Conformant | ||||||||||
Tungsten | Kenee Mining Vietnam Company Limited | Phú Yên | Vietnam | Conformant | ||||||||||
Tungsten | Kennametal Fallon | Nevada | USA | Conformant | ||||||||||
Tungsten | Kennametal Huntsville | Alabama | USA | Conformant | ||||||||||
Gold | Kennecott Utah Copper LLC | Utah | USA | Conformant | ||||||||||
Gold | KGHM Polska Miedz Spolka Akcyjna | Lubin | Poland | Conformant | ||||||||||
Gold | Kojima Chemicals Co., Ltd. | Sayama | Japan | Conformant | ||||||||||
Gold | Korea Zinc Co., Ltd. | Gangnam | Republic of Korea | Conformant | ||||||||||
Tungsten | Lianyou Advanced Materials Co., Ltd. | Yilan | Taiwan, Province of China | Conformant | ||||||||||
Tungsten | Lianyou Metals Co., Ltd. | Fangliao | Taiwan, Province of China | Conformant | ||||||||||
Gold | LS MnM Inc. | Ulsan-gwangyeoksi | Republic of Korea | Conformant | ||||||||||
Gold | LT Metal Ltd. | Seo-gu | Republic of Korea | Conformant | ||||||||||
Tin | Luna Smelter, Ltd. | Kigali | Rwanda | Conformant | ||||||||||
Tin | Magnu's Minerais Metais e Ligas Ltda. | São João del Rei | Brazil | Conformant | ||||||||||
Tin | Malaysia Smelting Corporation (MSC) | Butterworth | Malaysia | Active | ||||||||||
Tungsten | Malipo Haiyu Tungsten Co., Ltd. | Nanfeng Xiaozhai | China | Conformant | ||||||||||
Tungsten | Masan High-Tech Materials | Dai Tu | Vietnam | Conformant | ||||||||||
Gold | Materion | New York | USA | Conformant | ||||||||||
Tantalum | Materion Newton Inc. | Massachusetts | USA | Conformant | ||||||||||
Gold | Matsuda Sangyo Co., Ltd. | Iruma | Japan | Conformant | ||||||||||
Gold | Metal Concentrators SA (Pty) Ltd. | Kempton Park | South Africa | Conformant | ||||||||||
Tin | Metallic Resources, Inc. | Ohio | USA | Conformant | ||||||||||
Tantalum | Metallurgical Products India Pvt., Ltd. | District Raigad | India | Conformant | ||||||||||
Gold | Metalor Technologies (Hong Kong) Ltd. | Kwai Chung | China | Conformant | ||||||||||
Gold | Metalor Technologies (Singapore) Pte., Ltd. | Singapore | Singapore | Conformant | ||||||||||
Gold | Metalor Technologies (Suzhou) Ltd. | Suzhou | China | Conformant | ||||||||||
Gold | Metalor Technologies S.A. | Marin | Switzerland | Conformant | ||||||||||
Gold | Metalor USA Refining Corporation | Massachusetts | USA | Conformant | ||||||||||
Gold | Metalurgica Met-Mex Penoles S.A. De C.V. | Torreon | Mexico | Conformant | ||||||||||
Metal | Standard Smelter Name | City/State/Province | Country | Status | ||||||||||
Tantalum | Mineracao Taboca S.A. | Presidente Figueiredo | Brazil | Conformant | ||||||||||
Tin | Mineracao Taboca S.A. | Bairro Guarapiranga | Brazil | Conformant | ||||||||||
Tin | Mining Minerals Resources SARL | Lubumbashi | Democratic Republic of Congo | Conformant | ||||||||||
Tin | Minsur | Paracas | Peru | Conformant | ||||||||||
Gold | Mitsubishi Materials Corporation | Tokyo | Japan | Conformant | ||||||||||
Tin | Mitsubishi Materials Corporation | Tokyo | Japan | Conformant | ||||||||||
Gold | Mitsui Mining and Smelting Co., Ltd. | Takehara | Japan | Conformant | ||||||||||
Tantalum | Mitsui Mining and Smelting Co., Ltd. | Omuta | Japan | Conformant | ||||||||||
Gold | MKS PAMP SA | Geneva | Switzerland | Conformant | ||||||||||
Gold | MMTC-PAMP India Pvt., Ltd. | Mewat | India | Conformant | ||||||||||
Gold | Nadir Metal Rafineri San. Ve Tic. A.S. | Bahçelievler | Turkey | Conformant | ||||||||||
Gold | Navoi Mining and Metallurgical Combinat | Navoi | Uzbekistan | Conformant | ||||||||||
Gold | NH Recytech Company | Pyeongtaek-si | Republic of Korea | Conformant | ||||||||||
Tungsten | Niagara Refining LLC | New York | USA | Conformant | ||||||||||
Gold | Nihon Material Co., Ltd. | Noda | Japan | Conformant | ||||||||||
Tantalum | Ningxia Orient Tantalum Industry Co., Ltd. | Shizuishan City | China | Conformant | ||||||||||
Tantalum | NPM Silmet AS | Sillamäe | Estonia | Conformant | ||||||||||
Tin | O.M. Manufacturing (Thailand) Co., Ltd. | Nongkham Sriracha | Thailand | Conformant | ||||||||||
Tin | O.M. Manufacturing Philippines, Inc. | Rosario | Philippines | Conformant | ||||||||||
Gold | Oegussa Osterreichische Gold- und Silber-Scheideanstalt GmbH | Vienna | Austria | Conformant | ||||||||||
Gold | Ohura Precious Metal Industry Co., Ltd. | Nara-shi | Japan | Conformant | ||||||||||
Tin | Operaciones Metalurgicas S.A. | Oruro | Bolivia | Conformant | ||||||||||
Tin | P Kay Metal, Inc. | Idaho | USA | Conformant | ||||||||||
Tungsten | Philippine Bonway Manufacturing Industrial Corporation | Pampanga | Philippines | Conformant | ||||||||||
Tungsten | Philippine Chuangxin Industrial Co., Inc. | Marilao | Philippines | Conformant | ||||||||||
Gold | Planta Recuperadora de Metales SpA | Mejillones | Chile | Conformant | ||||||||||
Tantalum | PowerX Ltd. | Kigali | Rwanda | Conformant | ||||||||||
Gold | PT Aneka Tambang (Persero) Tbk | Jakarta | Indonesia | Conformant | ||||||||||
Tin | PT Arsed Indonesia | Bangka | Indonesia | Conformant | ||||||||||
Tin | PT Artha Cipta Langgeng | Sungailiat | Indonesia | Conformant | ||||||||||
Tin | PT ATD Makmur Mandiri Jaya | Sungailiat | Indonesia | Conformant | ||||||||||
Tin | PT Bangka Prima Tin | Air Mesu | Indonesia | Conformant | ||||||||||
Tin | PT Cipta Persada Mulia | Batam | Indonesia | Conformant | ||||||||||
Tin | PT Masbro Alam Stania | Sungailiat | Indonesia | Active | ||||||||||
Tin | PT Mitra Stania Prima | Sungailiat | Indonesia | Conformant | ||||||||||
Tin | PT Mitra Sukses Globalindo | Pangkalpinang | Indonesia | Conformant | ||||||||||
Tin | PT Premium Tin Indonesia | Pangkalan Baru | Indonesia | Conformant | ||||||||||
Tin | PT Prima Timah Utama | Pangkal Pinang | Indonesia | Conformant | ||||||||||
Metal | Standard Smelter Name | City/State/Province | Country | Status | ||||||||||
Tin | PT Putera Sarana Shakti (PT PSS) | Sungailiat | Indonesia | Conformant | ||||||||||
Tin | PT Rajehan Ariq | Pangkal Pinang | Indonesia | Conformant | ||||||||||
Tin | PT Timah Tbk Kundur | Kundur | Indonesia | Conformant | ||||||||||
Tin | PT Timah Tbk Mentok | Mentok | Indonesia | Conformant | ||||||||||
Gold | PX Precinox S.A. | La Chaux-de-Fonds | Switzerland | Conformant | ||||||||||
Tantalum | QuantumClean | Texas | USA | Conformant | ||||||||||
Gold | Rand Refinery (Pty) Ltd. | Germiston | South Africa | Conformant | ||||||||||
Gold | REMONDIS PMR B.V. | Moerdijk | Netherlands | Conformant | ||||||||||
Tantalum | Resind Industria e Comercio Ltda. | São João del Rei | Brazil | Conformant | ||||||||||
Tin | Resind Industria e Comercio Ltda. | São João del Rei | Brazil | Conformant | ||||||||||
Tantalum | RFH Yancheng Jinye New Material Technology Co., Ltd. | Yecheng City | China | Conformant | ||||||||||
Gold | Royal Canadian Mint | Ottawa | Canada | Conformant | ||||||||||
Tin | Rui Da Hung | Longtan Shiang Taoyuan | Taiwan, Province of China | Conformant | ||||||||||
Tungsten | S.P.T. spol.s r.o. | Středočeský kraj | Czechia | Conformant | ||||||||||
Gold | SAFINA A.S. | Vestec | Czech Republic | Conformant | ||||||||||
Gold | SEMPSA Joyeria Plateria S.A. | Madrid | Spain | Conformant | ||||||||||
Gold | Shandong Gold Smelting Co., Ltd. | Shandong Sheng | China | Conformant | ||||||||||
Gold | Shandong Zhaojin Gold & Silver Refinery Co., Ltd. | Shandong | China | Conformant | ||||||||||
Tungsten | Shinwon Tungsten (Fujian Shanghang) Co., Ltd. | Fujian Sheng | China | Conformant | ||||||||||
Gold | Sichuan Tianze Precious Metals Co., Ltd. | Chengdu | China | Conformant | ||||||||||
Tin | Soft Metais Ltda. | São Paulo | Brazil | Conformant | ||||||||||
Gold | Solar Applied Materials Technology Corp. | Tainan City | Taiwan, Province of China | Conformant | ||||||||||
Gold | Sumitomo Metal Mining Co., Ltd. | Saijo | Japan | Conformant | ||||||||||
Gold | SungEel HiMetal Co., Ltd. | Gunsan-si | Republic of Korea | Conformant | ||||||||||
Tin | Super Ligas | Piracicaba | Brazil | Conformant | ||||||||||
Gold | T.C.A S.p.A | Capolona | Italy | Conformant | ||||||||||
Tin | Takehara PVD Materials Plant / PVD Materials Division of Mitsui Mining & Smelting Co., Ltd. | Hirosima | Japan | Conformant | ||||||||||
Tantalum | Taki Chemical Co., Ltd. | Harima | Japan | Conformant | ||||||||||
Gold | Tanaka Kikinzoku Kogyo K.K. | Hiratsuka | Japan | Conformant | ||||||||||
Tantalum | TANIOBIS Co., Ltd. | Map Ta Phut | Thailand | Conformant | ||||||||||
Tantalum | TANIOBIS GmbH | Goslar | Germany | Conformant | ||||||||||
Tantalum | TANIOBIS Japan Co., Ltd. | Mito | Japan | Conformant | ||||||||||
Tantalum | TANIOBIS Smelting GmbH & Co. KG | Laufenburg | Germany | Conformant | ||||||||||
Tungsten | TANIOBIS Smelting GmbH & Co. KG | Laufenburg | Germany | Conformant | ||||||||||
Tantalum | Telex Metals | Pennsylvania | USA | Conformant | ||||||||||
Tin | Thaisarco | Amphur Muang | Thailand | Conformant | ||||||||||
Tin | Tin Smelting Branch of Yunnan Tin Co., Ltd. | Gejiu | China | Conformant | ||||||||||
Tin | Tin Technology & Refining | Pennsylvania | USA | Conformant | ||||||||||
Gold | Tokuriki Honten Co., Ltd. | Kuki | Japan | Conformant | ||||||||||
Metal | Standard Smelter Name | City/State/Province | Country | Status | ||||||||||
Gold | TOO Tau-Ken-Altyn | Astana | Kazakhstan | Conformant | ||||||||||
Tungsten | Tungamoy Metals Inc. | Gunsan, South Korea | Republic of Korea | Conformant | ||||||||||
Tungsten | Tungsten Vietnam Joint Stock Company | Song Cong | Vietnam | Conformant | ||||||||||
Tantalum | Ulba Metallurgical Plant JSC | Ust-Kamenogorsk | Kazakhstan | Conformant | ||||||||||
Gold | Umicore S.A. Business Unit Precious Metals Refining | Hoboken | Belgium | Conformant | ||||||||||
Gold | United Precious Metal Refining, Inc. | New York | USA | Conformant | ||||||||||
Tungsten | Uzbekistan Technological Metallurgical Complex JSC | Chirchik, Tashkent Region | Uzbekistan | Active | ||||||||||
Gold | Valcambi S.A. | Balerna | Switzerland | Conformant | ||||||||||
Tin | White Solder Metalurgia e Mineracao Ltda. | Ariquemes | Brazil | Conformant | ||||||||||
Gold | WIELAND Edelmetalle GmbH | Pforzheim | Germany | Conformant | ||||||||||
Tungsten | Wolfram Bergbau und Hutten AG | St. Martin i-S | Austria | Conformant | ||||||||||
Tin | Woodcross Smelting Company Limited | Mbarara | Uganda | Conformant | ||||||||||
Tungsten | Xiamen Tungsten (H.C.) Co., Ltd. | Xiamen | China | Conformant | ||||||||||
Tungsten | Xiamen Tungsten Co., Ltd. | Xiamen | China | Conformant | ||||||||||
Tantalum | XIMEI RESOURCES (GUANGDONG) LIMITED | Yingde | China | Conformant | ||||||||||
Tantalum | XinXing HaoRong Electronic Material Co., Ltd. | Guangdong Sheng | China | Conformant | ||||||||||
Gold | Yamakin Co., Ltd. | Konan | Japan | Conformant | ||||||||||
Tantalum | Yanling Jincheng Tantalum & Niobium Co., Ltd. | Zhuzhou | China | Conformant | ||||||||||
Gold | Yokohama Metal Co., Ltd. | Sagamihara | Japan | Conformant | ||||||||||
Tin | Yunnan Yunfan Non-ferrous Metals Co., Ltd. | Gejiu | China | Conformant | ||||||||||
Gold | Zhongyuan Gold Smelter of Zhongjin Gold Corporation | Sanmenxia | China | Conformant | ||||||||||
Gold | Zijin Mining Group Gold Smelting Co. Ltd. | Fujian | China | Conformant | ||||||||||