We are supplying new concept hydraulic breaker seal kit with them named ‘Evolution seal kit’ . What we call Evolution seal kit? It’s the seal kit for the repair but the seal configuration of seal kit is replaced by more superior and evolved seals instead the initial seal configuration of maker for more superior sealing performance. All consisted seals are already verified and proved the sealing performance by OEM bench testing and field testing. Evolution seal kit aim to improve ‘Heat resistance’ , ‘cold proof’, ‘Reducing oil pollution’ to achieve extension of cylinder life. And this is the main stream of all top class cylinder maker aiming.