Kojex Machinery Industrial Co., Ltd established in 1988, which are mainly producing collets and collet chucks.
Kojex is the earliest factory to produce ER collets in Taiwan as well.
The demands for higher precision and rigidity of collets shown in the market due to the high speed trend of machine centers and popularization of carbide tools.
Thus, the company strived to improve the deficiencies of ER system and developed SD and HEC series products, which receive warm welcome in the market.
Kojex is the initiator of inner-holding collet chucks.

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