Made In China/3115212380/cop1238k/cop1440/cop1838/stop Ring SUPERDRILL,Atlas Copco,Epiroc,Sullair Genuine Parts/ We are a company specializing in the sales of mining engineering machinery and equipment, spare parts sales, drilling tool sales, and maintenance services./ For other brands and models not listed, please contact us and we will immediately check the price and delivery date for you in our special brand system. / Email:sales@superdrill.com.cn Whatsapp：+86 18186993613