Sino-Platinum Metals

Sino-Platinum's gasoline vehicle three-way catalytic purifier (TWC) is a core exhaust aftertreatment material developed for China VI and future China VII emission standards, composed mainly of precious-metal active components such as platinum, palladium and rhodium loaded onto honeycomb ceramic or metal substrate coatings. The products cover exhaust purification needs of light gasoline passenger vehicles (sedans, SUVs) and some heavy gasoline vehicles, efficiently converting the three harmful gases CO, HC and NOx simultaneously. The company has built intelligent, automated China VI catalyst coating production lines, adding 2.15 million pieces/year of China VI catalyst capacity, and supplies leading automakers such as BYD, Great Wall, SAIC, FAW, Changan and Geely in volume. This series is compatible with gasoline particulate filters (GPF) to form an integrated aftertreatment solution whose overall purification efficiency meets the strictest domestic emission regulations. As a domestic leader in motor-vehicle catalysts, Sino-Platinum holds a leading share of the Chinese catalyst market.

Precious-metal active components: platinum (Pt), palladium (Pd), rhodium (Rh) three-way loading; substrate types: cordierite honeycomb ceramic / metal substrate; emission standards: China VI b and VI a, with China VII under pre-research; catalyst type: three-way catalytic converter (TWC) + gasoline particulate filter (GPF); typical capacity: 2.15 million pieces/year added by China VI upgrade project; operating temperature window: 250-850C; pollutants treated: CO, HC, NOx; vehicle types: light gasoline passenger vehicles, SUVs, some heavy gasoline vehicles.

• Exhaust three-way purification for gasoline passenger vehicles (sedans, SUVs)
• Gasoline particulate filter (GPF) exhaust treatment
• Emission aftertreatment supply for domestic independent-brand automakers
• Vehicle manufacturing compliant with China VI/VII emission regulations

Sino-Platinum's diesel vehicle catalytic purifier targets diesel engine exhaust aftertreatment and includes oxidation catalysts (DOC), catalytic diesel particulate filters (CDPF) and selective catalytic reduction filter bodies (SDPF). This series combines precious-metal coatings with substrates to achieve CO/HC oxidation and particulate (PM/PN) trapping with passive regeneration, serving diesel buses, heavy trucks and construction machinery. The company has established a joint venture with leading engine makers such as Weichai Power to build high-standard diesel catalyst capacity, completing a 12-million-liter/year advanced vehicle exhaust catalytic conversion industrialization project in Dongying, Shandong. The products meet China VI diesel emission requirements and significantly reduce harmful gases and particulate emissions from diesel vehicles. Sino-Platinum's diesel catalysts are already supplied at scale and are steadily increasing their domestic market share.

Product types: diesel oxidation catalyst (DOC), catalytic diesel particulate filter (CDPF), selective catalytic reduction filter (SDPF); active components: platinum (Pt), palladium (Pd); substrate: cordierite honeycomb ceramic; target objects: diesel buses, heavy trucks, construction machinery, non-road diesel engines; emission standard: China VI diesel; functions: CO/HC oxidation, PM/PN trapping and passive regeneration; industrialization scale: Dongying base 12 million L/year exhaust high-catalytic-conversion line.

• Exhaust aftertreatment for diesel buses and heavy trucks
• Emission control for construction machinery and non-road diesel engines
• Particulate (PM/PN) trapping and regeneration for diesel vehicles
• Vehicle integration compliant with China VI diesel standards

Sino-Platinum's natural gas vehicle (CNG/LNG) catalytic purifier is developed for the oxygen-rich combustion characteristics of gas engines and mainly includes selective catalytic reduction (SCR) catalysts and ammonia slip catalysts (ASC). NOx emission control is difficult for natural gas engines; this series achieves efficient NOx reduction through the synergy of precious metals and molecular sieve coatings, meeting emission regulations for gas heavy trucks and buses. The products are professionally manufactured by Sino-Platinum Metals Catalyst (Dongying) Co., Ltd., covering emission aftertreatment for natural gas, methanol, hydrogen and ammonia new-energy fuel engines. Together with the company's diesel and gasoline catalysts, this series forms a full China VI motor-vehicle catalyst matrix covering gasoline, diesel, gas and hybrid models. Sino-Platinum's natural gas/gas catalysts are already integrated by leading gas engine and vehicle manufacturers.

Product types: selective catalytic reduction catalyst (SCR), ammonia slip catalyst (ASC); applicable fuels: compressed natural gas (CNG), liquefied natural gas (LNG), methanol, etc.; active components: platinum (Pt), palladium (Pd) and molecular sieve catalytic layer; target objects: gas heavy trucks, gas buses; emission standard: China VI natural gas vehicle; functions: efficient NOx reduction, ammonia slip control; manufacturer: Sino-Platinum Metals Catalyst (Dongying) Co., Ltd.

• NOx purification for natural gas (CNG/LNG) heavy trucks
• Emission aftertreatment for gas buses
• Exhaust control for methanol/alternative-fuel engines
• Emission aftertreatment integration for new-energy fuel engines

Sino-Platinum's hybrid vehicle catalytic purifier is developed for the operating conditions of hybrid models with frequent start-stop, high cold-start proportion and large exhaust temperature fluctuations, using highly dispersed and stable precious-metal coating technology to improve low-temperature light-off and thermal-aging resistance. The company's hybrid vehicle catalyst holds a leading domestic market share and is a key focus of its clean-air business. The products work with gasoline three-way catalysis (TWC), particulate filtration (GPF) and oxidation catalysis (DOC) technologies to suit hybrid passenger and commercial vehicles. Sino-Platinum's hybrid catalysts are already supplied in volume to mainstream domestic hybrid models, helping vehicles meet China VI and stricter emission requirements. This series reflects the company's technological leadership in high-end motor-vehicle catalyst applications.

Product types: three-way catalytic converter (TWC), gasoline particulate filter (GPF), diesel oxidation catalyst (DOC); condition adaptation: hybrid frequent start-stop, low-temperature cold start, exhaust temperature fluctuation; technical features: highly dispersed stable precious-metal coating, excellent low-temperature light-off, thermal-aging resistance; market position: leading domestic share for hybrid vehicle catalysts; target objects: hybrid passenger and commercial vehicles; emission standards: China VI and pre-research China VII.

• Exhaust purification for hybrid passenger vehicles
• Emission aftertreatment for hybrid commercial vehicles
• Exhaust control under low-temperature cold-start conditions
• Vehicle integration for domestic hybrid models

Sino-Platinum's motorcycle and general machinery catalytic purifier targets emission control for motorcycles, small general-purpose engines and non-road mobile machinery. The products are mainly compact precious-metal catalytic units that efficiently purify CO, HC and some NOx from motorcycle exhaust, meeting China IV and stricter motorcycle emission regulations. This series shares the same precious-metal coating technology as gasoline three-way (TWC) and oxidation (DOC) catalysts, suiting two/three-wheel motorcycles, general machinery and small power equipment. The company has cumulatively sold about 40 million liters of motor-vehicle catalysts, providing exhaust treatment devices for about 25 million vehicles in China, with mature technology and controllable cost. Sino-Platinum's motorcycle catalysts are already supplied at scale, serving domestic and overseas motorcycle and general machinery manufacturers.

Product types: motorcycle three-way catalyst (TWC), oxidation catalyst (DOC); target objects: two/three-wheel motorcycles, small general-purpose engines, non-road mobile machinery; pollutants treated: CO, HC, NOx; emission standard: China IV and stricter motorcycle regulations; structure: compact precious-metal catalytic unit; technology source: same precious-metal coating technology as gasoline catalysts.

• Three-way exhaust purification for motorcycles
• Emission control for small general-purpose engines
• Non-road mobile machinery exhaust treatment
• Vehicle integration compliant with China IV motorcycle regulations

Sino-Platinum's hydrogen fuel cell catalyst is centered on platinum-carbon (Pt/C) electrocatalyst, a representative product of the company's hydrogen-energy catalytic materials that has won provincial/ministerial science and technology awards and achieved industrial application. The product uses highly dispersed, stable platinum nanoparticles loaded on a high-surface-area carbon support to deliver excellent oxygen reduction reaction (ORR) activity and durability for proton exchange membrane fuel cell (PEMFC) membrane electrodes. The company masters the key catalyst technology of highly dispersed and stable platinum-group metals, and has broken through and commercialized core technologies such as fuel-cell Pt/C catalyst. The product targets hydrogen fuel passenger vehicles, heavy trucks and distributed power generation, helping reduce fuel-cell system cost and localization. Known as an important domestic fuel-cell catalyst supplier, Sino-Platinum's catalysts are adapted to domestic stacks and vehicle makers.

Product type: platinum-carbon electrocatalyst (Pt/C); precious-metal loading: typical 40wt%, 50wt%, 60wt%, 70wt% and other specifications; support: high-surface-area carbon black; catalytic reaction: oxygen reduction reaction (ORR); compatible system: proton exchange membrane fuel cell (PEMFC) membrane electrode (MEA); performance: high activity, high electrochemical active surface area (ECSA), high stability; technology: highly dispersed stable platinum-group-metal catalyst technology; certification: supplied to leading domestic fuel-cell enterprises.

• Catalyst layer for hydrogen fuel cell passenger vehicle membrane electrodes
• Fuel-cell stacks for hydrogen heavy trucks and commercial vehicles
• Distributed power generation and backup-power fuel cells
• Localization supply for fuel-cell stacks

Sino-Platinum's water electrolysis hydrogen production catalyst targets proton exchange membrane (PEM) electrolysis for green hydrogen, mainly comprising iridium-based and platinum-based oxygen-evolution/hydrogen-evolution catalytic materials. These catalysts serve the anode oxygen-evolution and cathode hydrogen-evolution reactions of PEM electrolyzers, which are key to efficient, low-energy green hydrogen equipment and support the hydrogen supply side for fuel-cell vehicles. The company's hydrogen electrocatalytic materials have broad application prospects in the hydrogen-energy field and are in the industrial-promotion stage. Leveraging its precious-metal catalysis expertise, Sino-Platinum develops low-iridium-loading, highly stable electrolysis catalysts to reduce green hydrogen cost. The products have been certified and sampled by multiple water-electrolysis equipment makers, supporting the coordinated development of new-energy transport and storage.

Product types: PEM electrolysis oxygen-evolution catalyst (Ir-based), hydrogen-evolution catalyst (Pt-based); application system: proton exchange membrane (PEM) electrolyzer; functions: anode oxygen-evolution reaction (OER), cathode hydrogen-evolution reaction (HER); features: low precious-metal loading, high stability, high activity; target applications: green hydrogen production, hydrogen refueling station supply, hydrogen supply for fuel-cell vehicles; status: certified and sampled by multiple water-electrolysis equipment makers; field: hydrogen electrocatalytic materials.

• Catalyst layer for PEM water-electrolysis green hydrogen equipment
• Green hydrogen supply systems for hydrogen refueling stations
• Hydrogen supply side for hydrogen fuel-cell vehicles
• Renewable-energy storage via electrolysis hydrogen production

Sino-Platinum's precious-metal conductive silver paste is professionally developed by Sino-Platinum Electronic Materials (Yunnan) Co., Ltd. and is among the most complete precious-metal electronic paste product lines in China, covering series of high-temperature silver paste, low-temperature silver paste and photovoltaic silver paste. Using high-purity silver powder as the conductive phase with resin, glass frit and solvent systems, the products are used for conductive interconnection in thick-film circuits, chip components, photovoltaic cells and 5G electronic devices. The company's total electronic paste capacity reaches 161 tons/year, with low-temperature paste holding about 35% market share, serving high-tech industries such as new energy, modern communications and automotive electronics. The silver paste features high purity, dense sintering and strong adhesion, meeting automotive-grade high-reliability requirements. Sino-Platinum's conductive silver paste has achieved import substitution and is supplied in volume to leading domestic electronics and photovoltaic enterprises.

Product types: high-temperature silver paste, low-temperature silver paste, photovoltaic silver paste (HJT low-temperature silver paste); conductive phase: high-purity silver powder (purity >=4N5, impurity Na+ <=50ppb); systems: resin/glass frit/solvent; typical properties: pinhole-free electrode after sintering, strong adhesion, high-frequency loss tan<=0.0008 (3.5GHz); applications: thick-film circuits, chip components, HJT photovoltaic cells, 5G devices, automotive electronics; capacity: total electronic paste 161 tons/year; market: low-temperature paste ~35% share.

• Conductive printing for HJT photovoltaic cells
• Thick-film circuits for 5G communications and RF devices
• Automotive electronics and automotive-grade chip components
• Conductive interconnection for new-energy and wearable devices

Sino-Platinum's silver-palladium paste is a precious-metal electronic paste using silver-palladium alloy as the inner-electrode material, mainly for multilayer ceramic capacitor (MLCC) inner electrodes and high-end ceramic capacitor processes. The product is compatible with 880-970C high-temperature air co-firing processes, serving as the conductive skeleton of high-end ceramic capacitors and replacing traditional nickel paste to meet RF and automotive-grade high-reliability requirements. The company is the only domestic manufacturer with a full chain matching high-end ceramic capacitor processes, providing silver-palladium inner-electrode paste and full-series low-temperature silver paste for end electrodes. With platinum-series ceramic pastes holding over 80% domestic market share, the silver-palladium paste achieves import substitution in automotive-grade MLCC. Sino-Platinum's silver-palladium paste has entered the supply chains of leading domestic MLCC manufacturers.

Conductive phase: silver-palladium (Ag-Pd) alloy powder; co-firing process: 880-970C high-temperature air co-firing; applications: MLCC inner electrodes, high-end ceramic capacitor conductive skeleton; supporting: full-series low-temperature silver paste for end electrodes; performance: high reliability, RF and automotive-grade compatibility; market position: platinum-series ceramic paste >80% domestic share; role: only domestic full-chain high-end ceramic capacitor paste supplier; substitution targets: Japan Tanaka, Sumitomo, US DuPont imports.

• Multilayer ceramic capacitor (MLCC) inner electrodes
• High-end ceramic capacitor processes of automotive grade
• RF and 5G base-station filter conductive layers
• Automotive radar ceramic substrate inner electrodes

Sino-Platinum's precious-metal gold paste is a low-temperature co-fired ceramic (LTCC) conductive paste made from high-purity gold powder or gold-based materials, used for conductive wiring in LTCC/HTCC ceramic substrates, RF devices and satellite communications. The company is one of very few domestic manufacturers with full powder-paste chain capability; LTCC high-purity gold powder and gold paste saw 2025 revenue grow 122% year-on-year, with domestic market share rising to 28.3%. Gold paste offers excellent conductivity, solderability and high-frequency characteristics, suiting 5G/6G base-station filters, millimeter-wave T/R components and automotive radar ceramic substrates. The products break the long-standing monopoly of US DuPont and Germany Heraeus, achieving localization of high-end ceramic substrate conductive materials. Sino-Platinum's gold paste serves leading domestic communications and automotive electronics enterprises.

Conductive phase: high-purity gold powder/gold-based materials; processes: LTCC low-temperature co-fired ceramic, HTCC high-temperature co-fired ceramic; applications: ceramic substrate conductive wiring, RF devices, millimeter-wave T/R components; performance: high conductivity, excellent solderability, low high-frequency loss; market: LTCC gold powder/paste domestic share 28.3% (2025 +122% YoY); substitution targets: US DuPont, Germany Heraeus; fields: 5G/6G base stations, satellite communications, automotive radar ceramic substrates.

• LTCC/HTCC ceramic substrate conductive wiring
• 5G/6G base-station filters and millimeter-wave components
• Automotive radar ceramic substrate conductive layers
• Satellite communications and RF devices

Sino-Platinum's platinum and ruthenium pastes belong to the platinum-series precious-metal electronic pastes; among them ruthenium paste (including ruthenium oxide) is a key material for high-end MLCC inner electrodes and electronic ceramics, with the company's platinum-series paste products holding over 80% domestic market share. Platinum paste is used for conductive and electrode preparation in special high-temperature and high-reliability electronic devices, while ruthenium paste serves as the core material for AI servers and automotive-grade high-end MLCC inner electrodes, produced domestically exclusively by the company. This series meets the core paste needs of high-end ceramic capacitor full processes, with performance matching overseas leaders and achieving import substitution. Sino-Platinum's platinum/ruthenium pastes serve leading domestic MLCC manufacturers and the AI-server and automotive-electronics supply chains. The products feature high purity and stable processes, suiting high-temperature co-fired ceramic processes.

Product types: platinum paste (Pt), ruthenium paste (Ru/ruthenium oxide); market position: platinum-series paste >80% domestic share, ruthenium paste domestically exclusively mass-produced; applications: high-end MLCC inner electrodes, electronic ceramics, AI servers, automotive-grade capacitors; performance: matches overseas leaders, high purity, stable process; process adaptation: high-temperature co-fired ceramic (HTCC); substitution targets: Japan Tanaka, Sumitomo, US DuPont imports; role: absolute domestic leader in high-end ceramic capacitor pastes.

• High-end MLCC inner electrodes (ruthenium paste)
• AI servers and data-center capacitors
• Automotive-grade electronic ceramic devices
• Electrodes for high-reliability high-temperature electronic devices

Sino-Platinum's aluminum paste and glass paste are supporting functional pastes within the precious-metal electronic paste system; aluminum paste is mainly used for the back-surface field and conductive interconnection of crystalline silicon solar cells, while glass paste serves as an inorganic binder and metallization material for ceramic substrates and packaging housings. The company's self-developed glass-frit inorganic binder perfectly suits ceramic substrate co-firing processes, with adhesion, density and conduction performance reaching overseas parity. Aluminum paste serves photovoltaic cell manufacturing, and glass paste is applied to semiconductor packaging, optoelectronic device packaging and metallization of power-module ceramic substrates. Together with conductive silver and gold pastes, this series forms a complete electronic-paste product matrix, supporting localization in the new-energy and semiconductor industries.

Product types: aluminum paste (Al), glass paste (Glass); aluminum paste use: crystalline silicon solar cell back-surface field (BSF) and conductive interconnection; glass paste use: inorganic binder, ceramic substrate/packaging housing metallization; process: suitable for ceramic co-firing; performance: strong adhesion, high density, conduction reaching overseas parity; supporting: self-developed glass-frit inorganic binder; industries: photovoltaic cells, semiconductor packaging, optoelectronic packaging, power modules; synergy: conductive silver paste, gold paste and other precious-metal pastes.

• Crystalline silicon solar cell back-surface field and interconnection
• Ceramic substrate and packaging housing metallization
• Semiconductor and optoelectronic device packaging interconnection
• Power-module ceramic substrate metallization