High Precision Aluminium Alloy Machining Parts Hydraulic Valve Block Parts. High Precision Machining: Diameter tolerance of -0.018+0.018 and concentricity within 0.02. Customization Support: Supports dimension and function customization based on customer drawings. ISO-9001 Quality Control: Strict adherence to ISO-9001 procedures with full assembly and testing. 15+ Years Experience: Leading manufacturer with over 15 years in pneumatic industry. Sample Availability: Samples available for quality check and market testing. Flexible Payment Terms: Accepts T/T, L/C, Western Union, PayPal, and Cash. 12 Months Warranty: Offers 12 months warranty with refund or resend for quality issues. Global Export Capability: Has export rights and serves markets worldwide including North America.