Zhuzhou Torch Mechanical Manufacturing Co., Ltd was founded in 1958, which was invested by Agricultural Diesel Engine Department and named Zhuzhou Internal Diesel Engine Factory. In 1997, Torch Automotive Group purchased whole company. We were a hold company of Weichai Power Co.,Ltd in 2007. We are specialized in researching, development, manufacture and distribution of piston pins.
We were a director of Chinese Internal-Combustion Engine Industry Council, a director of Piston and Piston Pins Branch, vice-directors of the Branch Council of Chinese Inlet & Exhaust organization, B Grade Chinese Measure Department. Guarantee Company of Quality & After Sale Service. Our main product piston pins awarded high quality product by Mechanical Industrial Dept. in 1981, passing international system certification in 1985. We passed ISO9000 in 1999, passed QS9000 in 2002 and passed ISO TS16949 in 2005.
Our piston pins matched with more than 20 companies for example Guangxi Yuchai Machinery Co., Ltd, FAW Jiefang Automotive Company, Ltd. Wuxi Diesel Engine Works, Weifang Diesel Engine Company, FAW Jiefang Automotive Company, Ltd. Dalian Diesel Engine Company, Chaoyang Diesel Engine Company and so on. As a first choice parts by Yuchai and Xichai, and as sole supply by many engine factory. Our products have been exported to North America, European countries, southeast Asia, Russia and other areas. “Worker” brand was famous brand in Hunan province. Awarded us as “Excellence Supplier”, “Zero Defect & Inspection-free product” and “Excellent develop supplier” by Yuchai, Xichai, Chaochai and other OEMs.
We have many advanced equipments for example AICHELIN Continuousheat treatment furnace, multifunction furnace, # heat treatment production line, Germany MIKROSA High Precision Hollow Grinding Machine and Japan Guangyang High Precision Hollow Grinding Machine lines, multifunction machines, advanced euquipments and inspection equipments. Annual capability is 10 million pcs pins for commercial vehicle and 10 million pcs pins for passenger vehicle which is one of the biggest companies in China.