[208% Year-on-Year Sales Growth] Success Story of Three-Company Collaboration Supporting Amazfit's Official EC Growth Revealed - One Proof
One Proof Co., Ltd. has released a success story detailing how a three-company collaboration with Zepp Japan and Earth Reborn enabled the global smartwatch brand 'Amazfit' to achieve significant growth in its domestic EC business, with sales increasing 208% year-on-year on Rakuten Ichiba and Yahoo! Shopping.
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- 📰 Published: April 29, 2026 at 22:10
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One Proof Co., Ltd. (Headquarters: Shinjuku-ku, Tokyo; Representative Director: Izumi Hirayama), which handles EC consulting and EC operation outsourcing, has released a case study of its support for the domestic EC expansion of the global smartwatch brand "Amazfit." This is an example of how a three-company collaboration—Zepp Japan Co., Ltd. (the manufacturer), Earth Reborn Co., Ltd. (the distributor), and One Proof (responsible for EC consulting)—achieved significant sales growth on Rakuten Ichiba and Yahoo! Shopping.
Details can be found at https://www.one-proof.co.jp/voice/amazfit.
## 1. Background of Support
Despite "Amazfit" being a globally recognized smartwatch brand, its potential in Japan's domestic EC malls was not fully realized.
Specifically, on Rakuten Ichiba and Yahoo! Shopping, "Amazfit" faced challenges such as:
- Smaller sales scale compared to Amazon
- Insufficient appeal on product pages (LPs)
- Significant room for optimization in event planning and advertising operations
Based on a situational analysis, One Proof organized these challenges and formulated a roadmap for sales expansion. They began providing support in close cooperation with the manufacturer and distributor.
## 2. Key Support Contents from One Proof
One Proof provided support centered on the following three pillars:
1. LP Improvement and Product Appeal Enhancement
Reviewed product pages and LPs, improving their structure to effectively convey brand value and product appeal.
2. Enhanced Measures for Mall Events
Optimized sales strategies for each event, such as Rakuten Super Sale and Omakase Marathon.
3. Advertising Operation Optimization
Reviewed advertising strategies, focusing on RPP ads, to maximize cost-effectiveness.
## 3. One Proof's Support Results
Within one year of commencing support, the following results were achieved:
- Rakuten Ichiba Store: Annual sales exceeded 100 million yen
- Annual Sales: 208% year-on-year
- Access: 305% year-on-year
Additionally, they achieved top SEO rankings for major keywords like "smartwatch," contributing to the improvement of brand official store credibility.
## 4. Client Voices
From Earth Reborn Co., Ltd., the distributor, we received the following feedback:
"As we transitioned from solidifying the basics with One Proof to an 'offensive' phase, the online team's mindset changed. They are now confidently implementing aggressive measures that were unthinkable before."
And from Zepp Japan Co., Ltd., the manufacturer, we received the words:
"A lifelong partner."
## 5. Future Outlook
One Proof will continue to be a "lifelong partner" in the EC business for client companies, providing end-to-end support from strategy formulation to practical operations, and contributing to maximizing sales.
## About One Proof Co., Ltd.
One Proof Co., Ltd. is a "Total EC Solution Company" that comprehensively supports everything from EC fulfillment to EC marketing, mall EC, and in-house EC site construction. With over 18 years of experience in EC business operation support, a proven track record, and EC expertise, it operates an EC support business as a partner supporting the growth of domestic and international brands through data and hands-on work.
### [Company Overview]
Company Name: One Proof Co., Ltd.
Location: 4-15-7 Nishi-Shinjuku, Shinjuku-ku, Tokyo
TEL: 03-6383-4412
URL: https://www.one-proof.co.jp/
Business Description: Total EC Solution Business
Keywords:
Details can be found at https://www.one-proof.co.jp/voice/amazfit.
## 1. Background of Support
Despite "Amazfit" being a globally recognized smartwatch brand, its potential in Japan's domestic EC malls was not fully realized.
Specifically, on Rakuten Ichiba and Yahoo! Shopping, "Amazfit" faced challenges such as:
- Smaller sales scale compared to Amazon
- Insufficient appeal on product pages (LPs)
- Significant room for optimization in event planning and advertising operations
Based on a situational analysis, One Proof organized these challenges and formulated a roadmap for sales expansion. They began providing support in close cooperation with the manufacturer and distributor.
## 2. Key Support Contents from One Proof
One Proof provided support centered on the following three pillars:
1. LP Improvement and Product Appeal Enhancement
Reviewed product pages and LPs, improving their structure to effectively convey brand value and product appeal.
2. Enhanced Measures for Mall Events
Optimized sales strategies for each event, such as Rakuten Super Sale and Omakase Marathon.
3. Advertising Operation Optimization
Reviewed advertising strategies, focusing on RPP ads, to maximize cost-effectiveness.
## 3. One Proof's Support Results
Within one year of commencing support, the following results were achieved:
- Rakuten Ichiba Store: Annual sales exceeded 100 million yen
- Annual Sales: 208% year-on-year
- Access: 305% year-on-year
Additionally, they achieved top SEO rankings for major keywords like "smartwatch," contributing to the improvement of brand official store credibility.
## 4. Client Voices
From Earth Reborn Co., Ltd., the distributor, we received the following feedback:
"As we transitioned from solidifying the basics with One Proof to an 'offensive' phase, the online team's mindset changed. They are now confidently implementing aggressive measures that were unthinkable before."
And from Zepp Japan Co., Ltd., the manufacturer, we received the words:
"A lifelong partner."
## 5. Future Outlook
One Proof will continue to be a "lifelong partner" in the EC business for client companies, providing end-to-end support from strategy formulation to practical operations, and contributing to maximizing sales.
## About One Proof Co., Ltd.
One Proof Co., Ltd. is a "Total EC Solution Company" that comprehensively supports everything from EC fulfillment to EC marketing, mall EC, and in-house EC site construction. With over 18 years of experience in EC business operation support, a proven track record, and EC expertise, it operates an EC support business as a partner supporting the growth of domestic and international brands through data and hands-on work.
### [Company Overview]
Company Name: One Proof Co., Ltd.
Location: 4-15-7 Nishi-Shinjuku, Shinjuku-ku, Tokyo
TEL: 03-6383-4412
URL: https://www.one-proof.co.jp/
Business Description: Total EC Solution Business
Keywords: