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3C or CCC certificate full name is "China Compulsory Certification", it is a product quality assessment system implemented by the Chinese government to protect the personal safety and national security, also strengthen product quality management。 Our products that get the 3C certificates as below: 1... Read More
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Congratulations! Yuyao No.4 Instrument Factory gets USA UL Certificate (UL429), Certificate No.:20191107-MH64017, which guanrantee the safety and performance of our valves! Read More
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