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Our valves are certified by reputed certification bodies, including ISO Quality Manager Syestem Certificate per GB/T 19001-2016/ISO 9001:2015 , the right to use API Monogram on manufacture products under API Spec Q1 and API 6D , approved the EU Certificate of Conformity, and now we are working for the GOST. These certifications signify that our products are of world-class quality and meet international standards. Our valves undergo several tests, including hydrostatic, pneumatic, and performance tests before they are certified, guaranteeing that they can withstand and perform under critical conditions.