July 20, our company once again received from the world's most authoritative sensor certification body of the Netherlands NMI certification body sent the CZL638 sensor certification, I produced the CZL638 sensor officially passed the OIML R60 C5 level certification, I produced Of the sensor performance reached the international high-end level, will be widely accepted and recognized around the world, is the international authority of the company's production of the sensor fully affirmed. Hualan Hai people will do their best to continuously improve and strive to do better, to the electrical test industry higher and deeper development, to provide customers with first-class services and products.