Tongling Trinity Jianxi Precision Industry Co., Ltd is the wholly-owned subsidiary of Zonfa Trinity Technology Co.,Ltd(Abbre:Trinity Technology.founded in 1966.Stock Code:SH600520).It was established in 1989 and changed the name from Precision products plant of trinity technology in 2010.The company is a professional designer and manufacturer of Conveyor Roller Bearing Endcap and relative seals.The company is the council unit of China Association of Belt Conveyor. The drafting unit of <Basic Specification of Bearing Endcap for Roller of Ribbon Conveyor>.The Annual output is more than 8 million sets.Is the largest and strongest manufacturer in this filed in China.it can offer the most complete varieties products at present. Zonfa Electric(Tongling)Heart Precision Industry Co.,Ltd is located in Tongling city of Anhui Province.which is called "Antiquity Copper City "in China.Traffic is very convenient for Tongling. The west of Tongling is near the entrance of Hefei-Tongling-Huangshan Highway and Yangzte River. On the south. There is the buddhism core Jiuhua Mountain within 30kms.