Sustainable Material Commitment
We prioritize premium sustainable fabrics that deliver comfort, durability, and responsible sourcing.
About YiWu DiYaSi
An underwear factory built for wholesalers, retailers, and DTC brands
YiWu DiYaSi Dress CO., LTD is a manufacturing factory with more than 23 years of experience serving wholesale programs, retail collections, and private-label DTC underwear lines.
From product development to final delivery, we combine premium materials, stable production systems, and practical OEM/ODM execution to support buyers who need repeatable commercial results.
About YiWu DiYaSi
Our Growth Journey
Precision Production Discipline
From knitting and cutting to inline inspection, every step is controlled for consistency at scale.
Partnership for Growth
We support each brand from first idea to repeat production with clear communication and dependable lead time.
Milestones
From the first seamless production line onward, DiYaSi has expanded around delivery stability, category depth, and international execution.
2003
Factory established with first seamless underwear production line.
2011
Expanded OEM/ODM service for international private-label brands.
2018
Strengthened quality control and sustainable fabric sourcing roadmap.
2026
Upgraded global operations through digital sales and multilingual site system.