
Zhuhai Tong Ching Quartz Technology Co., Ltd. manufactures quartz crystal blanks, sapphire blanks, and optical glass, supporting high-end electronics and automotive applications with integrated design, production, and testing capabilities.
Zhuhai Tong Ching Quartz Technology Co., Ltd. is a Zhuhai-based manufacturer specializing in quartz, synthetic sapphire, and optical glass products for high-end electronics and automotive electronics. The company manufactures quartz crystal blanks and related electronic components, alongside sapphire and optical glass parts such as sapphire window blanks, sapphire mobile phone panels/films, sapphire substrates, watch mirror blanks, blue glass, and zirconia fingerprint blanks.
The operation integrates development, design, manufacturing, and sales, backed by advanced production and testing equipment imported from Japan, South Korea, and Taiwan. The company has also built dust-free clean production workshops and invested in new workshops, including dust-proof facilities, together with grinding and polishing equipment to strengthen optical glass and sapphire processing capabilities.
With an international-oriented sales network, products are exported to markets including South Korea, Taiwan, and Singapore. The business is supported by a sizable manufacturing base with dedicated workshop and comprehensive facilities, and it maintains a clear quality focus through established management systems and automotive-industry requirements.

The company operates in Nanping Technology Park, Zhuhai, with a landscaped, garden-style campus. The site includes dedicated production workshops as well as comprehensive supporting facilities for employees.
The business combines development, design, manufacturing, and sales, supplying quartz, sapphire, and optical glass components for demanding electronics applications, including automotive electronics and high-end electronic products.
The company applies long-term cutting, grinding, and polishing experience to optical glass and sapphire processing, supported by investment in new workshops and dedicated grinding and polishing equipment.
| Product | Capacity |
|---|---|
| Quartz crystal blanks | 80,000,000 pcs/month |
| Sapphire window blanks | 5,000,000 pcs/month |
| Sapphire mobile phone panel / sapphire mobile phone film | 150,000 pcs/month |
| Blue glass | 200,000 pcs/month |
| Zirconia fingerprint blanks | 300,000 pcs/month |
Established as an electronics manufacturer focused on quartz-related products.
Began production of quartz crystals.
Signed a cooperation agreement with NDK and established the Zhuhai branch plant to strengthen design and technical support.
Passed TS16949:2009 and began production of automotive crystals.
Completed a factory expansion of 6,000 square meters and introduced two automated SMD production lines (Phase I) for high-end oscillator R&D and manufacturing.
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