Core conclusions:South Korea is the nearest large-scale consumer market to China. Shipping times range from 1 to 7 days, but there are three requirements that must be met before entering the market: KC certification (Overseas factories cannot directly obtain this certification; it must be obtained by local South Korean applicants), EMC must be tested in a KOLAS-accredited laboratory in South Korea (FCC and CE reports are not acceptable). Additionally, there are customs duties and settlement issues: for non-FTA goods, the average tariff is about 8%. With the RCEP agreement, there are preferential tax rates available, and VAT charges amount to 10%. It’s important to complete the certification process first, then discuss potential partnerships. The order of these steps cannot be reversed.
From January to August 2026, bilateral trade between China and South Korea continued to grow. South Korea’s demand for products such as chips remained stable. Additionally, with the implementation of the RCEP agreement, most industrial products between China and South Korea are subject to tariff benefits. Many factories consider South Korea as their first destination for exporting their products overseas. However, South Korea isn’t a “certification-free region in Southeast Asia”: there are clear rules regarding customs clearance, certification, and labeling. Failing to comply with any of these rules could result in goods being confiscated by customs or rejected by distribution channels. Please prepare accordingly.
First gate: It’s necessary to distinguish between the two systems certified by KC.
In Korea, the “KC” certification doesn’t refer to a single standard. Instead, it refers to two separate certification systems. One system is managed by the Korean Standards Institute (KATS), which operates electrical safety certifications under the Electrical Products Safety Management Act. These certifications follow the KS C IEC standard, with some modifications tailored to Korean-specific requirements. The other system is managed by the Korean Communications Commission (KCC), and involves wireless and EMC certifications issued by the National Radio Research Institute (RRA). This certification applies to all products that feature Bluetooth, Wi-Fi, 4G/5G, or NFC technologies. Certificates bear the KC logo, but they are reviewed and issued independently by both organizations, with budgets and schedules determined separately for each system.
Second door: Electrical safety level three. There will be some changes in April 2026.
- Forced security authentication (approximately 57 categories):High-risk categories such as household appliances, power tools, adapters, and lighting products require sample testing and initial factory inspections. After obtaining the certification, regular supervision inspections are necessary. If these inspections are not carried out, the certification will be suspended.
- Self-discipline-based security verification (approximately 95 categories):These are products with moderate risk. The certificate is valid for 5 years, and there is no need for annual inspections. This is the common approach used for most small household appliances and conventional electrical products.
- Supplier Self-Declaration (SDoC):Low-risk products can be declared by local importers in Korea through the official platform.
Starting from April 1, 2026, KATS issued Announcement No. 2026-95, which changes the mandatory safety certification requirements for five categories of products: cleaning equipment, washing machines, microwave ovens, dryers, and bathroom appliances. These products are no longer subject to mandatory certification procedures. Existing certificates will be automatically recognized, and there is no need to obtain new certificates. Factories dealing with these products can save on certification costs, and the processing time for certification will also be shortened.
Third door: EMC and wireless technology. Practical testing in the field is a strict requirement.
Electromagnetic compatibility is regulated by the "Electromagnetic Compatibility Law". For emission testing, the KN CISPR 32 standard (for IT/AV devices) or KN CISPR 14 standard (for household appliances and power tools) is used. Immunity testing follows the IEC 61000 series of standards. It’s important to note that EMC test reports certified by FCC or CE cannot be accepted in Korea; actual testing must be conducted at KOLAS-accredited laboratories. Products with wireless functions require additional RRA radio frequency approval. Testing for the 2.4GHz/5GHz bands follows RRA specifications. The certification is valid for five years, and there is no need for annual factory inspections. However, if there are significant changes in the product’s radio frequency parameters, reapplication of the certification is required. By combining safety, EMC, and RRA testing in one laboratory, time can be saved by avoiding the need to send samples multiple times.
Applicant, plug, and label: Three details that are most likely to be overlooked.
- Issuing entity:factories located outside South Korea cannot directly apply for the KC certification. The applicant must be a local agent or importer in South Korea. The certification must be registered under the name of the responsible party in South Korea. Changing agents means also changing the certification. It’s important to clarify the ownership of the certification when signing contracts with distributors.
- Electrical parameters:In South Korea, the voltage is 220V/60Hz. The plugs used are of Korean standard. If products are sent according to Chinese or European standards, they will definitely fail any testing. Therefore, it is necessary to use Korean-standard plugs before manufacturing begins.
- Labels and instructions:The labels must include the product name, model number, rated parameters, manufacturer information, importer details, as well as the KC mark and certificate number. Missing Korean text is a common reason for delays in customs clearance.
Tariffs, settlement, and customs clearance: Accounts must be calculated beyond the CIF value.
The average tariff rate for South Korean imports of non-FTA goods is approximately 8%. For IT-related hardware, the tariff rate is often lower, sometimes even zero. Those items that are covered by the RCEP or China-South Korea FTA agreements are subject to preferential tax rates. When filing customs declarations, the lowest applicable tax rate among all available options should be used. There is also a 10% value-added tax on imports, which is calculated based on the CIF price plus tariffs. This fee is borne by the importer but will be included in the cost; this information must be clearly stated in the terms of sale. Customs clearance is processed through the UNI-PASS electronic system. South Korea uses a 10-digit HS code, which includes four additional digits for country identification, compared to the more common 6-digit codes used internationally. Incorrect classification is one of the main reasons for customs rejection. The tax exemption amount for small commercial packages is $150; any amount exceeding this limit will be taxed at full rate. Payments are primarily made in US dollars. The payment terms for South Korean buyers are generally shorter than those for buyers from Europe and America. A 30-day T/T payment period is common.
| threshold | specific requirements | The factory’s preparatory actions |
|---|---|---|
| KC Electrical Safety | Three levels of classification; companies located overseas cannot directly hold such certificates. The applicants must be local residents in South Korea. | First, check the product specifications. Only after that can we discuss the ownership of the certificates. Time should be allocated for mandatory inspections during the factory inspection process. |
| EMC/Wireless | It must be tested in a laboratory recognized by KOLAS. FCC/CE reports are not sufficient; additional RRA testing is required for wireless devices. | Safe + EMC + RRA – All these services are provided together in one laboratory. |
| Tariffs and customs clearance | For non-FTA agreements, the discount is approximately 8%. For RCEP agreements, the discount can be reduced further. VAT rate: 10%. HSK code: 10 digits | Issue RCEP origin certificate. The quotation document should clearly indicate the parties responsible for customs duties and VAT. |
common problems
1. Do products with CE certification still need to obtain KC certification when entering South Korea?
Yes. In South Korea, only the KC mark is recognized. The CE mark has no legal effect in South Korea. During customs clearance, what is checked is the KC certificate. Some of the data from the CE test report can be used as a reference for engineering purposes, but it cannot replace the KC certification.
2. How long does it take to obtain KC certification, and how much does it cost?
The cycle typically ranges from 2 to 8 weeks. For self-certified products, the process takes about 3 to 4 weeks. For products requiring mandatory certification, including the initial factory inspection and annual review, the overall cycle is longer. The costs vary depending on the category and testing requirements. Having both safety and EMC tests included in a single submission can save time and money compared to submitting samples separately by both companies. Please refer to the laboratory’s quote for exact costs.
3. Without Korean importers, is it possible for factories to operate cross-border retail on their own?
It’s difficult. Both the SDoC declaration and the KC certificate require that the entity be based in South Korea. Importing goods also requires that the importation be carried out by local importers or registered customs agents. A more efficient approach would be to work with Korean agents to obtain the necessary certificates, and then sell through B2B wholesale or retail channels like Coupang. Only after ensuring that the local entity is properly established can the goods be imported.
For factories that export electrical products and consumer goods, the Korean market is relatively close and payment terms are favorable. However, the order of entering the market should be: first check the certification documents, then select local applicants, and finally negotiate with potential distributors. It’s better to clarify matters related to certificate ownership and Korean-language documentation before submitting a quote. This way, you can avoid problems that may arise after goods are shipped, such as being charged for goods that weren’t actually delivered.
Qihang Zhilian Foreign Trade Research Institute
