Beware of Counterfeit Miniature Ball Bearings Falsely Claiming to Be Seiko Instruments Inc. Products (关于假冒轴承产品)

SII Begins Mass Production of the World’s Smallest (1.0 × 0.8 × 0.32mm) Tuning-Fork Crystal Resonator “SC-10S” Achieving Both a 33% Reduction in Mounting Area and Low ESR