Jiangsu Hailong Electric Parts Co., Ltd. is the leading manufacturer of variable valve timing device in China, aiming at the innovation drive, aiming at the international frontier and improving its independent research and development capability. The country has successfully entered the national high-tech enterprises.Vehicle variable valve timing system, ref...

Most TOYOTA cars produced in recent years have assembled an engine labeled with "VVT-i". After commercial publicity, many people have known the new term "VVT-i", but the specific content of it is rarely known. VVT is the English abbreviation, the full name is "Variable Valve Timing", the Chinese meaning is "variable valve t...