| ROD |
Steel 1045, rod with 28-32 HRC hardness, 0.001" chrome thickness ASTM B117-18 salt spray testing up to 96 hours. |
| TUBE |
Precision honed steel for extended seal life. |
| GLAND |
Ductile Iron ASTM A536 65-45-12. 2 SAE Ports with A and B positions, flexible to assembling. |
| Rod Clevis |
Steel-casting clevis with pins and clips included. |
| PISTON |
Ductile Iron ASTM A536 65-45-12 for increased durability. |
| PIN |
Steel, zinc plated. |
| PORTS |
Standard SAE.(NPT Available upon request). |
| SEALS |
Top quality, Hallite Brand Seals. |
| CONSTRUCTIN |
Heavy Duty welded construction. |
| BASE END CLEVIS |
Steel-casting clevis with pins and clips included. 2 SAE Ports with A and B positions , Flexible to assembling. |
| PAINT |
High quality paint for corrosion resistance up to 360 hours. Standard color is Black. Custom colors are available |
Ningbo LD Cylinder Co., Ltd. was founded in 1988, LD covers an area of 380,000sq.ft with more than 150 workers.
Through the construction of modern factories, enterprises have realized the transformation from traditional manufacturing to a new model of
intelligent manufacturing.
LD application of highly intelligent system software, advanced process flow, automated production lines, innovative technology research and development design, It makes LD developed into a high-tech professional production of hydraulic cylinder Company.
Q1. What is LD product's quality assurance?
A1:100% inspection for each product before shipping with inspection rereport for tracking.
Q2: How long is the warranty on LD products?
A2: The warranty is 2 years for general products since the date of shipment.
Q3: How LD deal with the quality problem during warranty period?
A3: 1. LD will take the corresponding cost caused by customer local reparing.
2. LD will provide the product by free if the repair cost is higher than the product value, but the freight involved shall be borne by the customer side.
Q4: How to ensure the order can be shipped on time?
A4: LD will send the "production schedule" every week after receiving customers' orders. If any delays, LD will inform customers 3 weeks in advance, so as to facilitate the customer to arrange the schedule.
Q5: Does LD offer delivery service?
A5: Yes. LD has deep cooperation with logistics companies all over the world to provide customers with quick and convenient "Door-to-Door services",including sea, air and express.
Q6: How LD control the product quality?
A6:1. Raw materials: We will test the material of each batch of raw materials we receive, and the piston rod will be tested with salt spray. This is to ensure that the material of our products meets the requirements at the beginning.
2. Processing: We have the leading machining equipment, and obtained ISO9001 certification.
3. Welding: Our factory is equipped with welding robots, and has obtained the AWS certification.
4. Assembly pressure test: 100% testing with OQC report for chaining. The seals we use are: Hallite, Aston and Gapi
Audited Supplier 
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