Established in 1977, Yong-Fong Machinery Co., Ltd. specializes in engine boring, honing, crankshaft grinding, cylinder head resurfacing and rebuilding, and many other machining/repair services of parts for all type of vehicles from agricultural tractor to heavy industrial vehicles.  We also provide professional services on engine rebuilding.  Buy, sell, and trade engine parts.  Through the years, we obtained a full line of advanced machinery which including CNC lathes, Vertical Machining Center, internal and external cylindrical precision grinding machines, testing instruments, advanced design and machining software and so on.  The changes propels the management to make the decision of starting YongFong’s own product research and development and the creation of our own cylinder boring and honing machines, YFM-38 valve seat angle cutting machine,YFM 325 Valve Grinding Machine, valve seat and guide grinding tools, spindle drive for MIRA-Style-angle valve seat cutters, engine cylinder honing tools, engine maintenance and rebuilding tools, and many other tools and accessories.  With our innovation, YongFong has subverted the traditional machine design of Europe, the United States, and Japan.  These newly develop valve grinding machines are awarded with four patents, and where our honing machine is awarded with one.  Most importantly, these machines has fulfilled the demands of our customer and won the love and praise from our end users.

On top of our design to manufacture businesses, we also do contract manufacturing, and trading for new or used equipment.   Our company is the authorized distributor of many well-known machine brands from Europe and the United States for many years.  Our company has accumulated more than 40 years of professional experience in the field of engine rebuilding and cylinder head re-manufacturing. Bearing the concept of "step-by-step and sustaining management", our company will keep on pursuing for innovation and breakthrough.