Agriculture›
Apparel and fashion accessories›
Construction & real estate›💡Electronic & Electrical›🍎Food & Beverages›🛋️Home furnishing & supplies›⚗️Industrial goods & chemical›🪨Minerals & metals›📦Miscellaneous›
Agriculture›
Apparel and fashion accessories›
Construction & real estate›💡Electronic & Electrical›🍎Food & Beverages›🛋️Home furnishing & supplies›⚗️Industrial goods & chemical›🪨Minerals & metals›📦Miscellaneous›

The P4DETECT COVID-19 Ag Infectious One-Step Repid Kit from TFK International is a rapid chromatographic immunoassay designed for the qualitative detection of SARS-CoV-2 antigens in nasal swab specimens. This one-step in vitro diagnostic test requires no instruments, making it suitable for decentralized testing in clinics, pharmacies, and field settings. The kit delivers results within 15 to 20 minutes, enabling quick decision-making for infection control.
As a lateral flow immunoassay, the kit employs antibodies conjugated to colored particles that bind to the virus’s nucleocapsid protein, producing a visible line if the antigen is present. The manufacturer reports a sensitivity of 96.67% and a specificity of 100%, though buyers should request independent validation data to confirm these figures under real-world conditions. Typical lateral flow tests for SARS-CoV-2 use gold nanoparticles or colored latex for signal generation, with detection limits often in the range of 10^4 to 10^5 viral copies per milliliter.
This kit is primarily procured by healthcare providers, government agencies, and organizations managing outbreak response in South Korea and international markets. Its simplicity and portability make it ideal for use in settings with limited laboratory infrastructure, such as remote clinics, workplaces, or travel hubs. The absence of instrument requirements reduces operational costs and training needs, allowing for rapid scale-up during surges in demand.
| Test Method | Rapid chromatographic immunoassay (lateral flow) |
| Target Analyte | SARS-CoV-2 nucleocapsid protein antigen |
| Specimen Type | Nasal swab |
| Reading Time | 15-20 minutes |
| Sensitivity | 96.67% (manufacturer-reported) |
| Specificity | 100% (manufacturer-reported) |
| Instrument Requirement | None |
| Storage Conditions | 2-30°C (standard for lateral flow tests) |
| Shelf Life | 12-24 months (typical for most rapid antigen tests) |
| Detection Limit (typical) | 10^4 - 10^5 viral copies/mL |
TFK International is a medical diagnostics supplier headquartered in Seoul, South Korea, with its address registered at 11, Gukhoe-daero 72-gil, Yeongdeungpo-gu. The company operates within the harbor trust tier, indicating a baseline level of verification, though its current response rate is 0%, suggesting limited engagement with recent inquiries. The supplier’s focus on rapid diagnostic solutions aligns with the demand for accessible testing in both clinical and non-clinical environments.
While the profile does not provide details on certifications, production capacity, or client history, TFK International’s product offerings cater to the needs of healthcare providers and public health organizations. Buyers should confirm the supplier’s compliance with international standards, such as ISO 13485 for medical device quality management systems, and regional regulatory approvals, such as KFDA clearance for South Korea or CE marking for the EU.
| Business Type | Supplier |
| Year Established | Recently Joined |
| Employees | Contact Supplier |
| Annual Revenue | Contact Supplier |
| Main Products | View Products Tab |
| Major Markets | Global |
| Response Time | <4h |
| Response Rate | New Supplier |
Before placing an order, verify that the kit holds the necessary regulatory approvals for your target market, such as KFDA clearance for South Korea or CE marking for the EU. Request the supplier’s validation data for sensitivity, specificity, and cross-reactivity to ensure the kit meets your performance requirements. Confirm that the kit’s shelf life aligns with your procurement and deployment timelines to avoid receiving expired or near-expiry stock.
Logistics for importing this kit from South Korea should include temperature-controlled shipping if required, as exposure to extreme temperatures can degrade the reagents. Discuss lead times for bulk orders with the supplier, as production schedules may vary. Clarify Incoterms, such as FOB or CIF, to determine responsibility for shipping costs, insurance, and customs duties. Payment terms, such as advance payment or letters of credit, should be agreed upon in advance to avoid delays.
Quality checks upon receipt should include inspecting the packaging for signs of damage or tampering and verifying the expiry date of each kit. Request certificates of analysis (CoA) for each batch to confirm compliance with performance specifications. For large orders, consider arranging third-party inspections or audits of the supplier’s storage and handling practices to ensure the kits remain effective during transit and storage.
Active buying requirements from importers looking for Similar products
Compare alternatives, find similar products and connect with verified suppliers
When sourcing Covid-19 Ag Infectious One-Step Repid Kit for your business, securing the right balance of quality and cost is essential. TFK International, a verified supplier based in South Korea (Republic Of Korea), offers this product for international export. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $5/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is a staple in the Fresh Potato sector with strong demand from importing countries worldwide.
Importing Covid-19 Ag Infectious On requires careful attention to shipping logistics, customs compliance, and secure payment terms. TFK International offers flexible shipping options such as Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. Common payment methods for international B2B transactions include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P). All transactions and RFQs are facilitated through EximNext, a leading global B2B marketplace designed to make cross-border trade secure and efficient.
Finding trustworthy partners is the foundation of successful importing. The supplier of this Covid-19 Ag Infectious On has been verified on our platform. Whether you are a distributor, wholesaler, or procurement manager, you can request a free quotation, ask for product samples, and finalize your bulk purchase with confidence. EximNext hosts thousands of verified manufacturers and exporters across 200+ countries. Explore similar products in the Fresh Potato category and connect with top-tier exporters on our comprehensive import export marketplace. Start your sourcing journey today.
Importing Covid-19 Ag Infectious On requires careful attention to shipping logistics, customs compliance, and secure payment terms. Common shipping options include Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. Buyers should verify import duties in their destination country. Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P).
The current listed wholesale price for Covid-19 Ag Infectious One-Step Repid Kit from TFK International is $5/Bags on FOB terms from South Korea (Republic Of Korea). Prices may vary depending on order volume, packaging, and destination. For the most accurate bulk quote, send a direct RFQ to TFK International through EximNext.
The supplier, TFK International, has set a Minimum Order Quantity (MOQ) of 1 Bags for Covid-19 Ag Infectious On. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
The HS Code classification for Covid-19 Ag Infectious One-Step Repid Kit depends on the specific grade and form. Contact TFK International through EximNext for the exact HS Code and customs documentation required for your destination country.
To import Covid-19 Ag Infectious On from South Korea (Republic Of Korea), negotiate shipping terms (FOB, CIF, or EXW) directly with TFK International. Ensure you have the necessary import licenses for Fresh Potato products in your destination country.
Yes, TFK International is a verified supplier on EximNext. You can view their complete company profile, business registration details, certifications, and export history before placing a bulk order.
For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to TFK International through EximNext.
TFK International offers Covid-19 Ag Infectious On with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Covid-19 Ag Infectious On is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from TFK International through our platform.
TFK International maintains international quality certifications. These ensure that the Covid-19 Ag Infectious On meets international quality, safety, and regulatory standards required for cross-border trade.
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. TFK International will respond with a detailed wholesale quote including FOB pricing, lead time, and payment options.
Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), Documents against Payment (D/P), and Escrow services. Confirm accepted terms directly with TFK International.
Discover more products in Fresh Potato from verified suppliers worldwide.