| Customization: | Available |
|---|---|
| Type: | Special Steel Bar |
| Standard: | DIN, GB |
|
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| Type: | High-precision cold-drawn seamless tube |
| Standard: | GB/T3639-2018, GB/T 5777-2008,the technology agreement |
| Material steel: | 45#, 16Mn(Q345B), 25Mn, 27SiMn, SY720, ZNP460 |
| Internal diameter Tolerance: | H8, H9,H10 |
| Straightness rate/roundness rate/mechanical performance : | As agreement |
| Chrome-plated | As request |
| Size: | 100mm-500mm |
| Shape: | Round, square |
| Package: | As request |
| Usage: | 1. For oil cylinder's outside cylinder and piston rod; 2. For transportation of natural gas, oil, kerosene, etc to avoid leakage; 3. For making parts of some machines such as the drive shaft of an automobile or the drill pipe of oil and bicycle frames; 4. For some large machinery such as boiler heating supply pipe; 5. For the storage of liquefied natural gas such as taxi trunk cylinders. |
| Warranty: | 12 months |
| Capacity: | 1000~1500 tons/month |
| Trademark: | CSDLS, neutral, or as request |
| Remark: | mainly internal diameter from 100mm to 500mm |
We have a 400-ton hydraulic cold drawn unit, mainly produce cold drawn pipes,honing pipes and scrape roll pipes of various specifications and materials as round (diameter 100mm to 500mm) or special-shaped ones.
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Changsha Dalishen Hydraulic Engineering Co., Ltd., founded in 2007, is a Hi-tech enterprise which is mainly engaged in developing, producing and marketing of precision seamless steel pipe, pipe for oil cylinder, concrete delivery cylinder, oil cylinder, concrete pumping system assembly and cylinder fittings. CSDLS is the first hydraulic cold-drawn seamless steel pipe manufacturer in South China and involved in a number of China's national standards' formulation of the industry. We have 13 effective utility patents at present. With our powerful RD and machining equipment, we can also process as your drawing. With an area of 29000 square meters factory, we can provide quite production lines for timely mass production. So far we have established business relationship with many famous companies such as SANY, Zoomlion, ZMJ, LiuGong and XANJER.
Our brand is CSDLS. Our products are widely used in engineering machinery, mining machinery, construction machinery, metallurgy, water conservancy projects and other industries. Quality is the company's priority. We are strictly in accordance with the ISO9001:2015. We make sure to provide you high quality products with competitive prices, prompt transportation and satisfied after-sales service. Sincerely welcome to visit our factory and looking forward to cooperating with every customer who is interested in our products and to seeking development together with each other.
CSDLS is a professional hydraulic engineering company with many advanced equipments in our factory. There are equipments specializing in making high-quality cylinders to create every detail precisely; there are equipments focusing on the production of conveying cylinders to provide strong support for efficient conveying; and there are also professional equipments for manufacturing cold-drawn tubes to ensure the excellent quality of the tubes. In addition, the production equipment for various cylinder accessories is also readily available. All these equipments together lay a solid foundation for us to produce high quality hydraulic products, and you can visualize our strong production strength through the pictures.
CSDLS has always taken innovation as its core, continued to carry out research on new technologies, new products and new processes, and developed hydraulic products with high technologies and strong market competitiveness.
| Our Advantages / Why choose us |
| 1. We have our own factory with 29,000 square meters in the hometown of heavy industry, |
| Changsha City, Hunan Province. |
| 2. We have 16 years experience in the field with powerful RD and machining equipment. |
| 3. We have 13 effective utility patents and 80 sets of production and test equipment. |
| 4.We focus on cylinder and accept OEM and ODM processing. |
| 5. We follow ISO9001 and have established long-term co-operation with Zoomlion, |
| ZMJ and LiuGong. |
| FAQ |
| Q1. Are you a factory or a trading company? |
| We are a factory focusing on hydraulic engineering. |
| Q2. Do you have your own brand? |
| Yes, we have. Our brand is CSDLS. |
| Q3. Do you accept sample orders? |
| Yes, we do. |
| Q4. What about your warranty? |
| One year since delivery. |
| Q5. What are your payment terms? |
| T/T, L/C,OA |
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