S & C Co. Ltd. is a group specializing in the production of front actuators for construction equipment and has been a successful strategic partner with DOOSAN since 2000. Our well-developed and widely known technical know-how attracted OEM product contracts with global companies since 2010. Its OEM experience opened new prospects for our own brand attachment business. Bullstern is the brand of excavator attachments designed, and manufactured by S & C Co., Ltd. We have been widely credited for product quality and reliability in construction fields, and noticeably recognized in the fields by introducing products that are far ahead of customers’ needs and expectations.