WOH WE ARE
WELI, based in China, is your expert partner specializing in custom-compounded engineering resins and innovative plastic solutions. We focus on delivering cost-effective, high-performance alternatives to mainstream materials, tackling your toughest injection molding and extrusion challenges with agility and speed. Driven by our vision to be a respected, innovative, and sustainable industry leader, and guided by core values of Unique Innovation, Passion, Diligence, and Focus, we are committed to engineering your success.
Facilities & Equipment
WELI operates modern facilities equipped for advanced research, development, and the precise production of high-performance engineering plastics. Our infrastructure combines a dedicated technical center with access to certified global manufacturing capabilities.
6 Extruders (16k MT/yr Capacity)
Advanced R&D / QC Laboratory
Scalable Global OEM Production
Strict ISO/IATF Quality Control
Certificates & Certifications
WELI strives to be an innovation‑driven, enduring leader in engineering plastics. Quality is our bedrock: modern hardware, software, and soft‑skill systems run through every operation. We hold ISO 9001, IATF 16949, and ISO 14001 certifications. Guided by TQM and 5S, we consistently deliver stable, cost‑effective materials and have earned praise from customers and regulators. Most products comply with UL, SGS, RoHS, REACH, and FDA standards. Every batch undergoes impartial inspection and ships with a Certificate of Analysis.
