China manufacturer E470 20mnv6 Hard Chrome Plated, Deep Hole Bored, and Externally Machined Hollow Piston Rod for Telescopic Cylinder a/c vacuum pump

Product Description

PART I: PRODUCT INTRODUCTION
1. Commodity: E470 hollow piston rod for telescopic cylinder
2. Available steel gardes:

3. Machining&turning:as per drawings.
4. Hard chrome plating: thickness and hardness as per requirement. 
5. Diameter tolerance: ISO f7.
6. Surface roughness: Ra0.25um max or Ra0.4um max at the option of the buyer. 
7. Standard export packing: By plywood boxes
8. Customized packing or marking are available CHINAMFG request.

HOLLOW PISTON RODS FOR TELESCOPIC CYLINDERS: END CAP WELDING

HOLLOW PISTON RODS FOR TELESCOPIC CYLINDERS: TURNING AS PER DRAWING

HOLLOW PISTON RODS FOR TELESCOPIC CYLINDERS: ONE END THREADING

HOLLOW PISTON ROD FOR TELESCOPIC CYLINDER: EXTERNAL SURFACE GRINDING

HOLLOW PISTON ROD FOR TELESCOPIC CYLINDER: PACKING

PART II: FREQUENTLY ASKED QUESTIONS
1. MOQ: 5 pieces/size
2. Delivery Time: 60-70 days.
3. Warranty&Guarantee: Warranty&guarantee period is 6 months since we deliver the tubes, and we are not responsible for quality problem caused by wrong unloading or storage after shipment. We welcome customer’s inspection before shipment. 
4. Payment Method: We accept payment method like T/T, L/C, or D/P, but it depends on our investigation about customers. We have a solution to evaluate the credit of customers from all over the world, and time and amount of D/P we can release is determined by the evaluation. 
5. Quality Control: We purchase raw material from stable suppliers who are leading steel mills, and we inspect the raw material as per the specifications. During our production procedure, there is inspection and quality control in every stage.

PART III: FACTORY FAXIHU (WEST LAKE) DIS.TIES