... exporter of bearings with excellent quality and fully competitive price in China and abroad for many years.we can supply ... 9 about usJinan Zhenghang Bearing Co., Ltd. was established in 2002, located in Shandong,the beautiful "Spring City" • Jinan, is ... certificates, strong technical force. Own unique manufacturing factory specialized in producing deep groove ball bearings, self-aligning ball bearings, ...