Who We Are
Since its founding in 2005, Sinosun Bridge has been dedicated to connecting businesses and opportunities between China and Japan. Headquartered in Yiwu, one of the world’s largest sourcing and trading hubs, we have expanded our presence with offices in Hangzhou, Pinghu, and Osaka, building a cross-border service network that supports customers in both markets.
Our business spans a wide range of fields, including one-stop sourcing solutions, amusement prizes, fashion accessories and lifestyle goods, randoseru school bags, and bag manufacturing. Leveraging extensive supply chain resources and years of industry expertise, we provide integrated support covering product development, sourcing, manufacturing, quality control, and international logistics.
Guided by our mission to serve as a bridge between China and Japan, we connect people, businesses, and markets while creating new opportunities for growth and collaboration. As we continue to evolve, we remain committed to delivering reliable value to our customers, partners, employees, and the communities we serve.
Company Profile
Company Profile
- Company Name SINOSUN BRIDGE TRADING CO., LTD.
- Registered Address Unit B, 10F., CKK Commercial Centre, Nos.289-295 Hennessy Road, Wan Chai, Hong Kong
- Business Commencement December 2005
- Company Establishment August 2010
- Registered Capital HKD 1,000,000
- Legal Representative Anita Xu
- Number of Employees 127 (including affiliated entities and partners) | As of December 20, 2025
- Sole Agent in Japan Shinbashi Co., Ltd. | 2-4-30 Sakaigawa, Nishi-ku, Osaka 550-0024, Japan
- Correspondent Banks The Hongkong and Shanghai Banking Corporation Limited (HSBC Hong Kong), Mizuho Bank, Ltd.
- Core Business Export of accessories, handicraft supplies, and general merchandise. Export of amusement prizes, toys, and stationery. Design, production, sales, and export of randoseru (Japanese school bags) and bags. Sourcing agency, quality inspection, packaging, logistics, and attent (follow-up) services in China. Import and e-commerce retail of daily necessities.
Company History
Company History
Foundation Established
The company was founded in Yiwu, China. With a focus on connecting China and Japan, we began providing trade support services and laid the foundation for future growth.
Yiwu Office Established
The Yiwu office was established to support business expansion. This strengthened our local sourcing network and improved operational efficiency.
Hangzhou Office Established
The Hangzhou office was established to strengthen operations in East China. It became an important base for talent recruitment and business management.
Hong Kong Company Established
A Hong Kong entity was established to enhance international trade capabilities and support future global expansion.
Recognized as a Top 10 Supplier on Alibaba Japan
The company was recognized as one of the Top 10 Suppliers on Alibaba Japan, reflecting our service quality and business performance.
Osaka Office Established
The Osaka office was established to provide closer support for Japanese customers and strengthen our presence in Japan.
Coulomb Brand Trademark Application
The trademark application for our original Randoseru brand “Coulomb” was filed in Japan, marking the beginning of our brand development journey.
Amoeba Management Introduced
Amoeba Management was introduced to enhance operational efficiency and organizational vitality. This initiative encouraged greater ownership and responsibility across the company.
Yiwu Office Relocation
The Yiwu office was relocated to accommodate continued business growth. The new facility provided an improved working environment and greater operational capacity.
Japan Entity Established
A Japanese legal entity was established to strengthen local operations and provide more comprehensive support to customers in Japan.
Yiwu Office Expansion Relocation
To support a growing workforce and expanding operations, the Yiwu office was relocated to a larger facility, creating a stronger foundation for future growth.
Hangzhou Office Relocation
The Hangzhou office was relocated as part of the company’s continued growth strategy. The new workspace supports greater efficiency and collaboration.
Acquisition of Shanghai Tiansui and Factory Relocation
To strengthen production capacity and quality management systems, we acquired Shanghai Tiansui and relocated the factory. Through equipment investment and improvements to the production environment, we have established a more robust supply system capable of delivering higher-quality products.
Relocation of Yiwu Office
The Yiwu office was relocated to a new facility in line with business expansion.
The move improved the working environment and enhanced internal coordination and efficiency.
It also strengthened the company’s operational base for future growth.
Tokyo Office Established
The Tokyo office was established to further strengthen operations in the Japanese market. It enables faster client response and closer local collaboration.
Organization Chart
Organization Chart
Team Introduction
Management Philosophy
Management Philosophy
values
Integrity · Collaboration · Challenge · Mutual Prosperity
Vision
To Be a Trusted and Respected Global Trading Partner
Mission
Building Bridges Between China and Japan
Message from the President
Since its establishment in 2005, Sinosun Bridge Trading has been dedicated to serving the Japanese market from its base in Yiwu, China – the world’s largest wholesale market for daily commodities.Starting as a procurement agency, we have expanded our product range to include randoseru (Japanese school bags), bags, accessories, toys, daily necessities, and 100-yen store products. With our own factory in Pinghu City, we manufacture bags and randoseru for the Japanese market and have developed our own brand “Coulomb Randoseru,” recognized for its cost-effectiveness and diverse lineup. Through our self-developed systems, we now offer integrated one-stop services spanning procurement, quality inspection, and packaging, evolving into a comprehensive trading company.
In an ever-changing era, the only constant is “change itself.” Amidst rapid technological and innovative shifts, we remain committed to continuous learning and self-improvement, striving to enhance our products and services to deliver greater value to our clients.
Guided by our philosophy of “Integrity, Collaboration, Endeavor, and Mutual Success,” it is our mission – as reflected in our company name – to serve as a bridge in Sino-Japanese trade. With the aim of “creating value for customers, fostering growth for employees, and contributing to society,” we pledge to remain your trusted long-term partner.
Access
- Yiwu Office
- Hangzhou Office
- Pinghu Factory
- Osaka Office
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Postal Code: 314207
Building 2, Floors 3–5, No. 883 Guangzhong South Road, Guangchen Town, Pinghu, Zhejiang 314207, China
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1 hour by car from Shanghai Hongqiao Railway Station / Airport
1 hr 20 min by car from Shanghai Pudong International Airport
40 min by car from Jiashan South Railway Station
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Postal Code: 532-0003
Room 1006, 1-8-11 Miyahara, Yodogawa-ku, Osaka-shi, Osaka 532-0003, Japan
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21 min by car from Osaka Itami Airport
58 min by car from Kansai International Airport
4 min walk north from Shin-Osaka Station North Exit