A real-industry group that fuses Japanese quality standards with Chinese manufacturing power, delivering value from Asia to the world.
START YOUR PROJECTSpecializing in collectible figurines, character toys, and PVC figures from our 10-year Dongguan factory. Full process: plastic injection → painting → assembly → packaging → warehousing. Japanese quality standards realized in Chinese manufacturing capacity.
Cross-border e-commerce operations across Japan, China, and Southeast Asia. Covering Amazon, Rakuten, Tmall, and Shopee with integrated logistics, customs, and customer service.
B2B trade across all of Asia, anchored at our Saitama HQ. From raw material sourcing to finished goods export, the entire supply chain covered.
End-to-end production in our own facilities
Optimized routes between Saitama and Dongguan
Unified multi-platform operations
Legal, tax, and market-entry support across Japan and China
"100% real-industry spirit"
── The core belief of Toei Sosan
TOEI SOSAN GROUP is a Japan-China integrated real-industry group, headquartered in Koshigaya, Saitama with production facilities in Dongguan, Guangdong. Since 2015 we have honed our OEM craft in our Dongguan factory; in 2025, with our Saitama HQ established, we fuse that craft with Japanese planning and quality standards, delivering value across Asia and the world.
Since our founding, we have held firm to the principle: never leave the factory floor. With management that sees through to the essence of making things, we pursue the optimal answer in the global supply chain—together with our partner companies.
Metal processing, plastic injection, electronics assembly, packaging.
OEM / ODM both supported, across 6 categories.
Automotive / industrial custom electronic components, from spec definition through prototype to mass production.
E-commerce gift boxes. FSC-certified paper available, 100% recycled materials for sustainable lines.
PET / glass / acrylic cosmetic containers. Amazon and cross-border e-commerce ready, including FBA fulfillment.
SMT + DIP + final assembly under one roof. Ideal for small-to-mid IoT production runs.
Injection-molded housings for consumer electronics. ABS / PC / PA66 materials. End-to-end from mold design to mass production.
Precision metal parts manufactured at our Dongguan facility. 5-axis CNC + anodizing for ±0.02mm dimensional tolerance.
Six engineering resins that come up in every OEM conversation — compared on properties, cost, and moldability. ISO 1043, JIS, and GB nomenclature mapped to real grades, plus a selection flow that holds up on the shop floor.
Read article →Injection molding broken into six stages, with what ISO 294, ASTM D3641, JIS, and GB/T 17037 require at each. Includes the 13-line processing report template that automotive OEMs ask for.
Read article →2024 China–Japan goods trade hit USD 270.50 billion, up 0.2% year on year. Behind the flat headline, three sectors are mid-shift. What it means for OEM, plus RCEP, CPTPP, and semiconductor export controls.
Read article →