Using high-quality NOK oil seal,Using high-quality damping oil,ISO/TS ****9,Limited Lifetime Warranty. -KLINEO has been registered around the world. We have *8 years production experience in shock absorber and won the TS****9 quality certification. Our products are quality and stable. -KLINEO shock absorber mounting holes fit the original car completely, installed directly without any changes . -KLINEO shock absorber uses fine grinding rod with high quality NOK multi-lip seal to ensure the service life of the product (hint: please don\'t use any tool to clamp piston rod when installation, otherwise will affect the sealing, lead to oil or gas leakage) . -KLINEO shock absorber use all-weather damping oil which can work normally in - *0 °C to **0 °C .