At XIAMEN YINTAI MACHINERY, we engineer excavator and bulldozer idlers to outperform in the harshest environments. While others compromise, we implement Japanese-grade manufacturing discipline that global OEMs trust.

Material Superiority

Raw Steel Selection:

* Standard models: Premium 35MnBh alloy

* Heavy-duty models: OEM-grade 33Mn4 (identical to top-tier brands)

Critical Components:

* High-performance copper bushings

* Industrial-grade sealing systems

Unmatched Process Integrity

1. Complete Thermal Cycling

* Unlike typical manufacturers who skip steps:

* Weld repair → Full re-quenching → Precision grinding → Final heat treatment

* Mandatory tempering within 2-hour critical window

2. Depth Advantage

* 7-8mm hardening depth (2-3× deeper than industry standard 3mm)

*  "Hard shell-tough core" gradient structure

3. Japanese Precision

* Mazark CNC machining (imported)

* 100% non-destructive testing

Why It Matters

Competitors' shortcuts lead to:

* Premature wear in mining conditions

* Stress fractures from inadequate tempering

* Seal failures from inferior materials

Our idlers deliver 40%+ longer service life because we refuse to cut corners—where others see cost, we see durability.