Name: Winding Axis Adjustable Shock Absorber Copyright Certificate
Certificate No: ZL 2004 2 0086260.7
Range: Winding axis hydraulic shock absorber of adjustable damping coefficient.
Reference: Issued by the PRC Intellectual Property Office.

Name: Resilience & Anti-stiffness Locked Hydraulic Mechanism
Certificate No: ZL 03 2 62629.0
Range: Resilience & anti-stiffness locked hydraulic mechanism.
Reference: Issued by the PRC State Intellectual Property Office.

Name: Reversal Resilience & Locked Mechanism Copyright Certificate
Certificate No: ZL 2004 2 0041909.3
Range: Reversal resilience & stiffness locked hydraulic mechanism.
Reference: Issued by the PRC State Intellectual Property Office.

Name: Hydraulic Damper Copyright Certificate
Certificate No: ZL 2004 2 0041860.1
Range: Hydraulic dampers.
Reference: Issued by PRC Intellectual Property Office.

Name: Resilience, Nonrattling & Locked Mechanism Copyright Certificate
Certificate No: ZL 2004 2 0041700.7
Range: Resilience, shock absorption & locked hydraulic mechanism.
Reference: Issued by the PRC State Intellectual Property Office.

Name: Hydraulic Damper Copyright Certificate
Certificate No: ZL 2006 2 0078300.2
Range: One kind of hydraulic damper.
Reference: Issued by PRC Intellectual Property Office.

Name: Ultrashort Resilience, Locked Mechanism Copyright Certificate
Certificate No: ZL 2004 2 0042291.2
Range: Ultrashort type resilience, stiffness locked hydraulic mechanism.
Reference: Issued by the PRC State Intellectual Property Office.

Name: ISO9001:2000
Certificate No: Certificate No.4339b
Range: design,produce and serviceof hydraulic damper
Reference: IAF,UKAS

Name: ISO9001:2000
Certificate No: Certificate No.4339a
Range: design,produce and service of hydraulic shock absorber
Reference: IAF,UKAS

Name: ISO9001:2000
Certificate No: Certificate No.4339
Range: design,produce and service of gas spring,adjuster,hydraulic damper,chock absorber
Reference: IAF,UKAS