ការណែនាំអំពីខ្លឹមសារនៃថ្លៃវិញ្ញាបនបត្រ IECEE ការបញ្ជាក់ជោគជ័យមានអត្ថប្រយោជន៍ជាច្រើន។
When science and technology products are circulating around the world, they need to be tested and certified in accordance with relevant regulations. Only after passing the certification can they enter the country’s market smoothly. Therefore, in order to facilitate the circulation of scientific and technological products in various countries, a total of 44 countries in…