
ISO-Approved Excavator Long Reach Arm for Zx330-3G Scope 18000mm (LDB350). ISO9001:2015 Certified: Manufacturing process meets international quality standards for reliability. Q355B Material Standard: Constructed with high-strength Q355B steel for durability and fatigue resistance. Customizable Steel Options: Q690D steel available upon request for specialized heavy-duty applications. Flexible Customization: Full customization available for boom length, arm length, and specific excavator models. Advanced Welding Process: Uses 80% Argon and 20% CO2 mixed gas welding for superior structural integrity. OEM and ODM Services: Complete OEM and ODM support available for all excavator brands and models. High Efficiency Operation: Designed for dredging, port construction, and railway projects with high security. Cost-Effective Cylinder Option: Can utilize original stick cylinder to save costs or provide new ones upon request.