Headquarters GRST Holdings Limited

Unit 212, 2/F, Photonics Centre, No.2 Science Park East Avenue,
Hong Kong Science Park, Shatin,Hong Kong

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About GRST


Who we are?

GRST is managed and operated by a group of dedicated battery cell manufacturing and material experts with diverse manufacturing and research background . WATMAR³ technology is the only pathway to achieve sustainable energy storage growth and maintaining a competitive edge in the world of energy storage solutions.


We believe our technology should continue to offer solutions for efficiency, improvement and waste reduction. It should also help to drive profitability.

Executive Team

Yeung Sau Hung (Alex)
Hung Yuen (Justin)
Wong Sing Hung (Eric)
Lo Chi Tak (Lewis)
Chief Executive Officer & Founder
President, Business & Marketing
30+ years of experience in the financial service industry.
20+ years management experience in tech companies of electrical and chemical fields in China and Korea.
Mr. Wong embarked on his career of a trendsetting entrepreneur. 
Strong connection of computing & electronics fields in Asia with business and engineering background.
Dr. HO Kam Piu (Bill)
Chief Scientific Officer &
20+ years’ research experience in electrochemistry and green chemistry. 90+ granted patents.
JIANG Yingkai (Kevin)
Chief Technology Officer
13+ years’ research and production experience in the lithium-ion battery.
Dr. LAW Man Chun (Joe)
Chief Legal Officer
Patent Attorney, specialization in IP strategic planning and enforcement of patent rights.
WANG Ranshi (Rock)
Director, Product Development
15+ years’ experience in developing inspection modules for automation system and in-depth knowledge in advanced material analysis.
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Andrew Sum
Chief Marketing Officer
Two decades spent in sales and business management for banks such as Lloyds Bank, Coutts, Barclays.
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Frank Harley
Chief Financial Officer
22 years Private Equity investing focused on cleantech, wellness, and mobility.
Wong Sing Ming (Tony)
Chief Operation Officer
25+ years management experience of a number of Sino-Foreign Join Ventures Companies.

GRST Holdings Limited (Headquarters)

Unit 212, 2/F, Photonics Centre, No.2 Science Park East Avenue, Hong Kong Science Park, Shatin, Hong Kong

Shunde R&D Center

No. 21 Xinhui Road, Wusha Industrial Zone, Shunde District, Foshan City, Guangdong Province, China

GRST Holdings Limited (Headquarters)

Shunde Polymer Center

Room 904, 9/F, Block E, East Building, No.6, Ke Yuan San Street, Shunde District, Foshan City, Guangdong Province, China

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