J.C. Bamford Excavators Limited, universally known as JCB, is a British multinational corporation, with headquarters in Rocester, Staffordshire, manufacturing equipment for construction, demolition and agriculture. It is the world's third-largest construction equipment manufacturer.  It produces over 300 types of machines, including diggers (backhoes), excavators, tractors and diesel engines. For several years, Tianfeng Motor has begun to supply auto starters that can be applied on the excavators, tractors and other construction equipments manufactured by JCB.