Welcome to the official website of  Shandong Yanggu Constant Crystal Optics, Inc.

QUALITY ASSURANCE

Quality Policy

QC

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General manager :Annie Wang

Mob:+86 18865241617
Add:Shandong Yanggu Xiangguang Economic Development Zone
Tell:+86-635-2952888 2151333
Fax:+86-635-2952233

Email:anniewang@sdhengjing.com

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NEWS CENTER
18th Shenzhen Optics Exhibition
Release time:
2019-06-25
2016 USA Photonics West
Release time:
2019-06-25
Outward Bound
Release time:
2019-06-25
Football team setted up
Release time:
2019-06-25
Constant Crystal Photoelectric provides most complete and comprehensive service
Everybody concerns quality and attaches importance to quality
Constant Crystal staff take pursuing quality, satisfying customers as the tenet
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