Skip to content
WST — Wan Su Tong Trading Limited
An international materials supply partner

Materials that move manufacturing forward.

Asia’s core Chemours distributor and an authorized distributor for Covestro, Teijin and other leading brands — supplying the manufacturers behind AI infrastructure with fluoropolymers and the full material category, across Asia and North America.

Core Chemours distributorAsia — with Covestro, Teijin and other brand authorizations
Billions of RMB a yearMaterial supplied across all categories, more than 10,000 tonnes annually
NVIDIA · Apple · Amphenol · BYDAmong the manufacturers we supply, with aerospace, medical and food-industry customers
Three headquartersNorth America · East Asia · Greater Bay Area (Hong Kong · Shenzhen); subsidiaries serving Mexico, Vietnam and other growth regions
Materials

A focused portfolio. Broader possibilities.

Fluoropolymers are the core of what we supply. Each family is listed with the supply forms we confirm today; grade-level data is discussed per enquiry against the producer’s own documentation.

View the full portfolio
Supply Solutions

Connected supply. Across markets.

Manufacturers we serve run plants in more than one region. We coordinate the material, the documents and the delivery so the same grade arrives at each site.

Material sourcing and brand coordination

Customer-directed brands sourced as directed; candidate alternatives proposed from recognised producers and validated by you.

Documents and samples

TDS, SDS, lot CoA, RoHS/REACH statements and origin files assembled where available; sample quantities arranged for your own trials.

Cross-region customer needs

One material relationship carried from the home plant to new sites in Vietnam, Mexico or the United States.

Quantity and delivery arrangements

Release schedules and delivery models agreed per site — Asia-direct, North America local, or supplier-direct with WANSUTONG coordinating.

SourcingChina and wider Asia — brand authorizations and producer channels across fluoropolymers, engineering plastics and the full material category.
Customer supportThree headquarters — North America, East Asia, and the Greater Bay Area (Hong Kong · Shenzhen) — with overseas subsidiaries opened after the pandemic to serve Mexico, Vietnam and other high-growth manufacturing regions.
Service coverageAsia-direct shipment, North America local delivery, and supplier-direct coordination. Stock positions are confirmed per programme; we do not claim warehouses in every region.
Resources

Authorized at the source. Trusted by the customer.

Brand authorizations on one side, the manufacturers we supply on the other. The two are different relationships and we keep them separate.

Authorized distribution

Asia’s core Chemours distributor; authorized distributor for Covestro, SABIC, LG Chem and Teijin polycarbonate, DuPont engineering polymers and Colorant Chromatics™ fluoropolymer colourants. Brands and grade references

Chemours
Covestro
SABIC
LG Chem
Teijin
DuPont
Colorant Chromatics™

Customers we supply

Manufacturers and institutions across AI infrastructure, interconnect, energy, aerospace, atomisation devices, medical and food.

NVIDIA
Apple
Amphenol
BYD
SMOORE
Luxshare Precision
Nuode New Materials
Amer International
Experience

Three decades in the material. One way of working.

From a fluoroplastics trading desk in 1997 to billions of RMB of material a year: the scale changed, the method did not. The example on the right shows how a customer-following engagement runs today.

Worked example — following a cable programme to a second plant

Situation
A cable maker supplying high-speed interconnect programmes runs a customer-directed FEP grade at its home plant and is opening a second plant in Southeast Asia.
Customer need
The same grade, with the same lot documentation, at the new plant — without a fresh qualification, and with one supply relationship.
Our coordination
Confirm grade and destination; check which channel is entitled to serve that destination; align TDS, SDS, CoA and origin paperwork for the new site; arrange release quantities against the ramp.
Result
One material relationship across both plants, with matching documentation at each. Customer references are shared under NDA; this description is a process illustration, not a published case study.

Let’s discuss your next material requirement.

Share your material, application and delivery needs with our team.