Precision Needle Roller factory Wuxi Qikai Bearing Roller Co., Ltd Wuxi Qikai Bearing Roller Co., Ltd. is an enterprise specializing in the production of various metric and inch rollers and needle rollers with a diameter of 蠁2-蠁20 mm. Through continuous development and exploration over the years, we have formed a production capacity of 150 million pieces of various types of high-precision...