This is CHUNGWOO company in KOREA. We export all parts of breaker such as chisel, piston, thrust bushing & ring, rod pin etc.We have recently expanded our business to produce all parts of breaker system.Now you can have high quality tools for hydraulic breaker.Our products have the ISO 9001 certification from the Quality Authority.We'd like to have good business relationship with your firm.If you need quotation, please email me with your breaker model no. and exact parts' name, so that we can quote to you accordingly.