日本大真空株式会社（DASHINKU CORP）简称KDS，公司成立于1951年，至今已有50多年的历史，是全球领先的三大晶振制造商之一。其制造工场主要分布在日本本土、中国大陆、中国台湾、泰国、印度尼西亚等十个制造中心。其中天津工场是全球晶振行业最大的单体制造工厂。也是全球最大的TF型（主要是32.768KHz）晶振制造工厂。 KDS产品在业界属于高端产品，目前产品广泛应用于电表、水表等计量仪表、汽车电子、工业控制系统、金融微电子、医疗电子设备、高端消费类产品、通信终端和网络设备、便携式产品等行业。

KDS主要生产温补晶振（TCXO）、恒温晶振（OCXO）、压控晶振（VCXO）、时钟晶振（SPXO）、晶体谐振器（Crystal Resonators）、晶体滤波器（Crystal Filters）等产品；其产品广泛用于手机、对讲机、GPS/北斗定位仪、汽车电子系统、倒车雷达、小型基站、LTE、RFID、激光测距仪、笔记本、平板电脑、数字集群通信系统、仪器仪表等领域。

ISO9001、ISO14001、ISO/16949等国际体系认证是KDS品质和信誉的保证。KDS主要生产温补晶振（TCXO）、恒温晶振（OCXO）、压控晶振（VCXO）、时钟晶振（SPXO）、晶体谐振器（Crystal Resonators）、晶体滤波器（Crystal Filters）等产品；其产品广泛用于手机、对讲机、GPS/北斗定位仪、汽车电子系统、倒车雷达、小型基站、LTE、RFID、激光测距仪、笔记本、平板电脑、数字集群通信系统、仪器仪表等领域。

Since its founding in 1959, we at Daishinku have always ensured customer trust worldwide by dedicating ourselves to offering products that satisfy needs for greater sophistication, under our three philosophies of “reliance” : “reliable people,” “reliable product,” and “reliable company.” As a global quartz device manufacturer, we strive to help realize a next-generation electronic society that is more convenient and more comfortable to people, by developing crystal devices friendly to the global environment.

Daishinku offers far-sighted solutions by developing and manufacturing a variety of crystal devices that meet diversified market needs. Also, Daishinku has developed a system that enables cross-functional collaboration and cooperation by specialists from various departments, so that we can offer our high-quality quartz devices in a prompt and efficient manner. The reliability of our company is supported by our employees’ capability to respond promptly and the synergy effects created by individual employees. The KDS brand is created and supported by people. The trust constantly developed by individual employees through daily tasks leads to greater reliance from our customers.