Ruian Hongchuang Car Fittings Co., Ltd. is a modern enterprise composed of studying, developing, producing and selling as a whole. We have the top-grade fabrication facilities, professional design and technology with good business management. We have taken the lead in passing the International system of quality certification ISO9001. We professional produce air flow sensor, blower regulator, and oil lever sensor. Especially, the head of hot-film air flow sensor made in 2003 have taken out a patent, which qualification have reached the advanced world standard, which filling the blank of home market. More than 80% products are exported to more than ten countries. Our products are of good quality and low price that are very popular with the old and new customers.