JJK is a brand under Jiaxing Crystal Control Electronics Co., Ltd., established in 2004, a high-tech enterprise specializing in the R&D, production, and sales of quartz crystal sensors. The company has over 30 years of experience in the piezoelectric quartz crystal industry. In 2005, it became a substrate supplier for a well-known American crystal sensor company. In 2008, it introduced vacuum coating equipment from the United States to achieve in-house production of finished crystal sensors.

The product range covers 18 specifications including 5MHz and 6MHz gold-plated, silver-plated, and silver-aluminum alloy crystal sensors, compatible with mainstream coating equipment from the United States, Germany, Japan, South Korea, and more. The company operates a Class 10,000 cleanroom, with 100% factory inspection for all products, ensuring stable and reliable quality. Monthly production capacity exceeds 450,000 pieces, serving over 900 enterprises both domestically and internationally. JJK adheres to the philosophy of "Quality creates value, reliability wins the market," striving to build an outstanding national brand in the quartz crystal control segment.

Holds 10 oscillator discs and dispenses directly into the sensor holder. Designed for cleanroom environments, compatible with Teflon® tweezers or the included tool for easy handling.

Holds 10 oscillator discs, extractable via vacuum pencil or Teflon tweezers. Flat design enables convenient stacking and storage, maximizing space efficiency.

Small square box vacuum packaging. Crystal sensors are packed in cleanroom paper bags – 5 pieces per box. Use a vacuum pen or plastic tweezers when removing for use.
Inficon crystal oscillators are a world-leading brand in quartz film thickness monitoring, offering high sensitivity and high-resolution measurements.
Inficon crystal oscillators are a world-leading brand in quartz film thickness monitoring, offering high sensitivity and high-resolution measurements.

Maxtek is a company with a deep history and technological accumulation in the field of thin-film deposition measurement. Most notably, it was acquired by industry giant INFICON in 2007 and now exists as an important brand under INFICON.
Maxtek is a company with a deep history and technological accumulation in the field of thin-film deposition measurement. Most notably, it was acquired by industry giant INFICON in 2007 and now exists as an important brand under INFICON.

Filtech is a very well-known professional brand in the field of quartz crystal monitoring and has now been acquired by Inficon. In the thin-film vacuum deposition industry (such as electron beam evaporation, thermal evaporation, sputtering), Filtech has high market recognition for its cost performance and supply flexibility.
Filtech is a very well-known professional brand in the field of quartz crystal monitoring and has now been acquired by Inficon. In the thin-film vacuum deposition industry (such as electron beam evaporation, thermal evaporation, sputtering), Filtech has high market recognition for its cost performance and supply flexibility.
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