TORYDA · Dongli Electronic Materials · Proven Adhesive Solutions for High-Tech Industries
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Turning Materials into Production-Ready Process Solutions

Dongguan Dongli Electronic Materials — an adhesive solution provider that started in optical communications and now serves high-tech industries.

WHO WE ARE

About Dongli

Founded in 2019 in Dongguan, Dongli started in optical communications and has extended its adhesive application expertise across AI computing, humanoid robotics, advanced packaging, automotive electronics, semiconductor, BCI, energy storage, eVTOL, medical, smart wearables and AR/VR.

We do more than distribute materials — we work alongside customers' process engineers to integrate grade selection, dispensing, cure profile and reliability validation into one production-ready line solution. Share your working conditions; we handle the rest.

We deliver production-validated process solutions — not just material lists.
TORYDA In-house brand for industrial structural bonding and potting.
22-Brand Matrix Long-term partners incl. LOCTITE, Huitian, Zhijiang and Henkel — 1000+ grades in stock.
One-Stop Delivery Material + equipment + process through one point of contact.
24-Hour Response Same-day sample dispatch for urgent projects; mainstream grades kept in stock.
OUR JOURNEY

Our Journey

From optical communications to more frontier industries, step by step.

Start 2019 · Founded

Dongguan Dongli Electronic Materials was founded, starting with adhesive supply for optical communications.

Deepening Optical Comms · Coupling to Packaging

Built a full set of proven solutions around coupling alignment and hermetic packaging of optical modules and devices.

Expanding 12 Industries · Capability Expansion

Extended adhesive expertise into AI computing, humanoid robotics, advanced packaging, automotive electronics, semiconductor, BCI, energy storage, eVTOL, medical, smart wearables and AR/VR.

Brand Launch TORYDA Brand Launch

Launched in-house brand TORYDA for structural bonding and potting, with the partner-brand matrix growing into a complementary supply system.

Today 22-Brand Matrix · Volume-Ready

Long-term partnership with LOCTITE, Huitian, Baiyun, BONOTEK, Yuntong, BOSTIK, Kaibo, Xinyou, EPO-TEK, DYMAX, WACKER, 3M, SHIN-ETSU, HENKEL, ThreeBond and more — 1000+ grades kept in stock.

OUR BRANDS

Our Brand & Key Partners

In-house brand TORYDA plus a leading-brand matrix — solutions never limited by brand.

TORYDA
Structural Bonding · Potting

In-house brand for industrial structural bonding and potting — covering bonding, potting protection and sealing/fixing processes.

  • Structural bonding: high-strength bonding of metals, plastics and composites.
  • Potting: encapsulation and conformal protection for motors, ECUs and sensors.
  • Sealing & fixing: harness, housing and device sealing with strain relief.
Partner Brands
Global Leaders · Domestic Champions · Specialists

Long-term partnership with 22 brands covering structural bonding, potting, thermal management, optical communications and packaging — 1000+ grades in stock.

  • Global leaders: Henkel · LOCTITE, 3M, DuPont, BOSTIK.
  • Domestic champions: Huitian, Baiyun, Hangzhou Zhijiang, BONOTEK.
  • Specialists: EPO-TEK, Aventk, Kaibo, elaplus and more.
DOCUMENTATION & COMPLIANCE

Documentation & Compliance Support

We do not manufacture the materials - we are the most efficient link between you and the leading manufacturers. Every document that ships with the material is benchmarked, organized and delivered by us.

TDS / MSDS

Technical and safety data sheets ship with every material, in traceable Chinese and English versions.

RoHS / REACH

Environmental compliance documents on request, supporting your material audits and supply-chain questionnaires.

Manufacturer Certifications

Our partner brands hold ISO 9001, IATF 16949 and ISO 14001 certifications; we can help obtain copies of manufacturer certificates.

Medical-Grade Documentation

For medical and implant applications, we help coordinate manufacturer biocompatibility documents such as ISO 10993 and USP Class VI.

All documents above are provided with material supply or coordinated on request; availability is subject to manufacturer issuance.

Share Your Conditions — We Handle the Rest

Share substrate, service temperature, cure constraints and volume — get a proposal within 24 hours.

Contact an Engineer