Professional technologies on Electroform, Donjon provides Electroform Inserts and also Reflex products.

We OEM / ODM for various Chains. Please contact us for projects.

We offer various O-Ring, Seals and Packing for industrial machines, sports devices, air materials, building materials, transportation, marine equipment. Existing types or sizes are available for option, and specific materials or sizes can be developed as well, we accomplish the design of products against need from customers.

The quality of our tools are professional level, they are been used for purpose of repairs in fields including transportation and industrial machines.

Utility use, complete sizes for pick.