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Our company has established a complete and rigorous quality assurance system consisting of incoming quality control (IQC), finished quality control (FQC), quality assurance (QA), product noise test room, lifetime test and a laboratory equipped with precision measuring instruments. With years of high-quality and eco-friendly motor manufacturing technology and advanced management mode of standardized operation, we ensure product quality is well controlled in the same standard whatever in domestic market or overseas. Our company is one of the foreign-owned enterprises who are first certified to ISO9001. Our ventilating fans and other series products passed IPX4 anti-splash test, and obtained the safety certifications of many countries, including UL (US), GS (Germany), CAS (Canada), SAA (Australia), T-MARK (Japan) and CCC (China).