About Us
All Products
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Optical Quartz Glass
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Machining Quartz Glass
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Quartz Glass Tube
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Quartz Capillary Tube
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Borosilicate Glass Tube
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Quartz Glass Rod
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Laser Spare Parts
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Silicon Dioxide Sputtering Target
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Quartz Apparatus
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Quartz Glass Plate
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Custom Glass Parts
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Custom Ceramic Parts
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Optical Manufacturing Equipment
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Mobile Glass Cover Making Machine
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Optical Measuring Instrument
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Optical Crystal
Certificates
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ISO -
SGS -
ISO -
SGS
QC Profile
Beijing Zhong Cheng Quartz Glass Co., Ltd (ZCQ) has passed ISO9001:2015 quality management system certification and SGS product testing certification; conducts technical training service, micro-structure analysis and quartz characteristic testing project once a year; invites the professor from the Chinese Building Materials Academy for technical support from time to time.
Adhere to the customer-oriented quality guideline, estabilsh a sound system control program, set strict quality managemengt standards, cultivate a solid sense of quality, and carefully manufacture every product.