According to the regulations, the fourth-phase motor vehicle emission standards announced by the state (hereinafter referred to as the "National Four Standards") will be implemented nationwide at the latest in 2011. The "National IV Standard" is equivalent to the "Eu

The test center of Shandong Jinyu Tire Co., Ltd. passed the strict and meticulous on-site assessment of the China National Accreditation Service for Conformity Assessment (CNAS), obtained CNAS accreditation on May 13, 2009, and received an accreditation certificate issued by CNAS on May 23.