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In 2002
PK founded in Shenzhen
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In 2009
STAR founded in Singapore
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In 2010
STAR acquired by PK
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In 2012
- Achieved certifications for:
- ISO 9001:2008
- API Q1 Quality system
- API 6A,14A, 14L, 11D1, 19G1
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In 2013
PK publicly listed in Hong Kong
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In 2014
PKE founded in Huizhou
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In 2017
Patented ThunderCloud?
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In 2018
Became certified for: - API 19AC - ISO 9001:2015
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In 2019
PKESZ Founded
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In 2020
Successful deployment of HTHP Dissolvable Frac Plug
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In 2022
Accredited by State-level Institutions