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
Our company

Our company
Release time：
2020-07-30
18th Shenzhen Optics Exhibition

18th Shenzhen Optics Exhibition
Release time：
2019-06-25
2016 USA Photonics West

2016 USA Photonics West
Release time：
2019-06-25
Outward Bound

Outward Bound
Release time：
2019-06-25
Football team setted up

Football team setted up
Release time：
2019-06-25
Constant Crystal Photoelectric provides most complete and comprehensive service

Constant Crystal Photoelectric provides most complete and comprehensive service
Release time：
2019-06-25
Everybody concerns quality and attaches importance to quality

Everybody concerns quality and attaches importance to quality
Release time：
2019-06-25
Constant Crystal staff take pursuing quality, satisfying customers as the tenet

Constant Crystal staff take pursuing quality, satisfying customers as the tenet
Release time：
2019-06-25
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