Crafting Everyday Excellence in Japanese Cuisine for Hong Kong
We bring authentic Japanese food culture to workplaces and events across Hong Kong—backed by decades in top kitchens, retail delis, and consulting.
Our Mission
To make quality Japanese meals and services accessible and reliable for businesses and communities in Hong Kong—combining culinary craft, operational discipline, and warm hospitality.
Our Story
Great Harmony Food Service Limited (GH) was founded in 2020 in Hong Kong as the foodservice and consulting arm connected to Wada Bento. We design, produce, and deliver Japanese bento and deli offerings for daily use and corporate occasions, while providing end-to-end advisory services—from menu R&D to kitchen setup, SOP, and OEM production.
Meet the Team
Managing Director · Food Expert / Executive Chef
Manabu Oikawa
Experience
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Over 20 years in professional kitchens across hotels, premium restaurants, and retail deli operations in Hong Kong.
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Cross-disciplinary chef trained in Japanese, Western, and Chinese cuisines (Osaka-Abeno Tsuji Culinary School).
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Consulting focus: menu development, production workflow & SOP, team training, kitchen layout & equipment, and scalable OEM.
Career Highlights
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2020–Present · Co-Founder / Executive Chef – Wada Bento (Hong Kong)
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2020–Present · Managing Director – Great Harmony Food Service Limited
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2015–2020 · Head Chef (Japanese) – city’super Limited
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2013–2015 · Chef de Cuisine – Langham Place Hotel, Mongkok
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2011–2013 · Executive / Sous Chef – ROKA Hong Kong
Education and Languages
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Osaka-Abeno Tsuji Culinary School (Japanese, Western, Chinese Cuisine)
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Languages: Japanese (Native), English (Professional), Cantonese (Elementary)
What We Do
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Daily Bento & Deli Brands:
UMAMI-YA / MIYABI-AN / LUNIVO -
Foodservice Consulting: Menu & SOP, staff training, kitchen setup, IT/workflow advice
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OEM / Private Label: Recipe development and scaled production with QC
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Catering & Events: Executive meetings, corporate functions, and private gatherings
Values
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Authenticity – True Japanese flavors and seasonality
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Reliability – Consistent quality, clear lead times, safe delivery
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Efficiency – SOP, training, and layout built for scale
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Omotenashi – Thoughtful details and presentation
Milestones
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2020 – GH established in Hong Kong; UMAMI-YA launch
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2021–2023 – Consulting & OEM expansion
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2024– – Launch of MIYABI-AN & LUNIVO
Our Clients
