Direct supply paths from verified Chinese state-of-the-art facilities. Preserving strict chemical purity profiles for high-spec industrial applications.
Bridging global demand for high-end specialty chemicals and advanced engineering components since 2008.
Founded in 2008 as a focused specialty chemicals supplier in China, Yanxatech System Industries Limited (YANXA) has grown from a fledgling business unit into a highly trusted global brand. Powered by a persistent devotion to engineering standards and robust research partnerships, YANXA provides high-purity chemical and mechanical materials to partners in over forty countries.
By establishing strong co-operational bonds with leading manufacturers and China's academic chemical institutes, YANXA provides comprehensive specialty supply configurations, focusing majorly on:
“Quality, safety, and efficiency prevail over all other metrics in our system. We align strictly with the technical parameters specified by our clients, providing complete regulatory documentation and secure logistics paths to manage the hazards naturally present in global chemical trade.”
High-demand specialized chemicals synthesized under rigorous batch control and quality standards.
Colorless, pungent liquid. Rapidly oxidizes to formic acid. Commercialized as formalin (37-50% solution) with methanol as an inhibitor. BP: 96°C, relative density 0.815.
Learn More →
White crystalline powder (HMTA, CAS: 100-97-0) from formaldehyde and ammonia condensation. Used in resins, vulcanization, and organic synthesis. Molecular weight: 140.19 g/mol.
Learn More →
White powdery polymer of formaldehyde with strong flammability. Content ≥ 96%. Fully soluble under controlled heat within 40 minutes. Formic acid level ≤ 0.05%.
Learn More →
Precisely atomized spherical metal alloy powder with excellent grain size distribution. Crucial for high-performance metallurgy, aerospace component manufacturing, and energetics.
Learn More →
Halocarbon gas utilized as an ultra-pure low-temperature etchant in modern microelectronics fabrication, semiconductor cleaning, and specific electrical isolation fields.
Learn More →
Premium precipitated ceramic-grade tricalcium phosphate for industrial coatings, biomedical scaffolds, and structural food additives requiring rigorous heavy metal validation.
Learn More →
Highly refined insulation gas. Standard dielectric agent for high-voltage switchgears, gas-insulated substations (GIS), and semiconductor lithographic gas mixes.
Learn More →Inside the technological innovations driving volume output and ultra-high purity levels of Chinese SF₆ manufacturing plants.
Modern Chinese chemical facilities synthesize Sulphur Hexafluoride ($SF_6$) via the direct fluorination of high-purity elemental sulfur with gaseous fluorine ($S + 3F_2 \rightarrow SF_6$). This highly exothermic reaction generates multiple unwanted sub-fluorides like $SF_4$, $SOF_2$, and the highly toxic $S_2F_{10}$. To eliminate these trace impurities, our partner factories employ high-pressure thermal decomposition chambers that convert $S_2F_{10}$ into $SF_4$ and $SF_6$. Subsequently, alkaline gas-scrubbing towers wash the output, removing acidic gases like $HF$ and remaining $SF_4$. The final phase utilizes multi-column cryogenic distillation to achieve high purity (up to 99.999% / 5N).
To guarantee suitability for high-voltage Gas Insulated Switchgear (GIS) installations, every production run undergoes analysis via Gas Chromatography-Thermal Conductivity Detectors (GC-TCD) and Flame Photometric Detectors (GC-FPD). Trace moisture content is limited below 1.0 ppm using precision quartz crystal microbalance analyzers. This ensures conformity with international standard IEC 60376 requirements:
| Impurity Metric | Standard Requirement (IEC 60376) | YANXA Grade Typical Analysis |
|---|---|---|
| Purity ($SF_6$) | ≥ 99.9% by weight | ≥ 99.99% - 99.999% (Electrical & Electronic Grade) |
| Air / Nitrogen ($N_2$) | ≤ 500 ppmv | ≤ 40 ppmv |
| Carbon Tetrafluoride ($CF_4$) | ≤ 500 ppmv | ≤ 80 ppmv |
| Water Content ($H_2O$) | ≤ 15 ppmv | ≤ 1.5 ppmv (Dew point: < -60°C) |
| Mineral Oil Content | ≤ 10 ppmw | ≤ 0.5 ppmw |
Supply chain resilience is maintained through IoT tracking systems on all gas cylinder fleets and ISO-tank containers. Cylinder cleaning involves high-vacuum baking cycles to prevent contamination from ambient humidity or organic residue. Using individual RFID tracking, customers can monitor batch testing reports, fill dates, and pressure status throughout transport, securing critical operations.
Addressing immediate grid-level applications and the environmental evolution toward alternative gas mixtures.
Sulfur Hexafluoride serves as a high-performance dielectric gas in modern high-voltage transmission networks. Thanks to its high electronegativity, the $SF_6$ molecule captures free electrons, suppressing electric arcs in circuit breakers (GCB), load-break switches, and gas-insulated substations (GIS). YANXA assists power grid contractors and manufacturers globally by providing stable gas parameters that prevent insulation breakdown up to 800 kV.
For wafer processing, electronic-grade $SF_6$ is utilized as a fluorine source in dry plasma etching chambers. It targets silicon, tungsten, and refractory silicides, achieving excellent anisotropy during deep-reactive-ion etching (DRIE). The absence of oxygen and trace carbon residues inside YANXA's ultra-pure gas containers prevents wafer defects, making it key for advanced microelectronics fabrication.
Because $SF_6$ is a potent greenhouse gas (GWP of 22,800), global regulations like the European F-Gas limits and US EPA Reporting Rules are pushing industries toward eco-friendly solutions. YANXA is actively collaborating with research institutes to develop and supply next-generation dielectric gases:
Ensuring compliance, safety, and supply consistency when purchasing from Chinese chemical factories.
Under UN1080 classifications, Sulfur Hexafluoride is a Class 2.2 Non-flammable, Non-toxic gas. Bulk transport requires ISO-tank containers or heavy-duty seamless steel cylinders. YANXA manages all aspects of international dangerous goods logistics, handling export declarations, customs checks, and secure ocean freight positioning.
We supply complete documentation for all shipments, including: Certificate of Analysis (COA), Safety Data Sheets (SDS) matching GHS standards, Certificate of Origin, and third-party inspection audits (SGS or Bureau Veritas) if requested by the purchaser.
Working under ISO 9001:2008 framework controls, YANXA provides flexible, secure payment lines (T/T, L/C) and realistic delivery schedules. Mass production orders average 20-30 days, supported by emergency raw material buffers to counter seasonal market fluctuations.
Direct answers from our engineering team regarding specifications, packaging, and global logistics.
We supply Industrial Insulation Grade (99.9% purity) complying with IEC 60376, and Electronic/Etching Grade (99.999% to 99.9999% purity) designed for cleanrooms and wafer-processing facilities.
Every batch is tested using precision chilled-mirror dew point meters or electrolytic moisture sensors. The moisture level is guaranteed to stay below 1.5 ppmv (dew point ≤ -60°C) at the time of delivery.
We offer seamless steel cylinders ranging from 10L, 40L, to 50L (complying with ISO3807, DOT-3AA, or EN1964 standards), equipped with CGA590 or DISS716 gas valves. For bulk consumers, we arrange transport via standard 20,000-liter ISO-tank containers.
Sample orders and documentation are completed within 7 working days. Bulk shipments take 20 to 30 days from deposit receipt to ship loading, varying with port availability and route.
We provide detailed gas quantity logging, leak-tested valving systems, and guidance on handling tools to help customers meet regional rules like the EU F-Gas regulations and EPA GHG programs.
Yes, to maintain safety and logistics efficiency for hazardous goods transport, we require a minimum order quantity of one full 20ft container load (FCL) for international sea routes.
We accept a 30% deposit in advance via T/T, with the remaining 70% balance payable against the copy of the Bill of Lading (B/L) or via an irrevocable L/C at sight.
All gas containers are packed in robust, double-crated wooden pallets or steel storage bundles. Each shipment includes detailed emergency response procedures and SDS documentation to ensure safety at all transit points.
Complete your supply chain requirements with our range of specialty chemicals, liquid rubbers, and high-purity rare gases.
Yanxatech