E-mail:raysales5@raysteeltube.com    Mol+86-135-8532-8495
COLD ROLLED SEAMLESS TUBING
COLD DRAWN SEAMLESS STEEL TUBE
ABOUT 
RAYMOND STEEL TUBE

Jiangsu Quality AAA Grade Brand Enterprise

Changzhou Raymond steel tube Co.,Ltd is located in Wujin District,Changzhou City,Jiangsu Province,China and located between Nanjing and Shanghai.It only takes 1 hour by high speed rail to the international metropolis——Shanghai.The geographical location is superior and the traffic is developed here.
Our company’s main products is seamless precision tubes with wide usage.Our factory covers an area of more than 20000 squre meters,and…
ico01High-Quality Raw Materials
All raw materials from reliable steel mills
ico03Good mechanical properties
Used for various deep processing: bend, cutting, drilling and so on.
ico02High Precision
Guarantee the dimension tolerance: cold drawn pipe: ±0.1mm  cold rolled pipe ±0.05mm. 
Stable delivery time
Several production lines, advanced equipment, more than ten workshops.
Anaerobic annealing furnace
Straightening machine
Cold drawn machine
Cut-off machine

WE HAVE MORE INNOVATIVE PRODUCTS

Source in Consistent High Quality and Superior Performance.
OUR NEWS
  • 09-14
    2018
    How to choose the suitable model for grapple

    UK, Canada, Ireland, Australia, New Zealand, Belarus and so on. And our customers are satisfied with our goods, and get a good reputation and feedback. Today we’d like to teach you how to choose a suitable model for your excavator and project. As we need be responsible for each model including opera Read More »

  • 09-07
    2018
    What is the difference between the material of Q235A and Q235B?

    Carbon structural steel is the most widely used and the largest number of steel. Normally rolled steel, profiles and profiles, generally do not need to be directly used by heat treatment, mainly used in general structure and engineering. Today raymond steel tube company will introduce the difference Read More »

  • 09-10
    2018
    Small seamless precision steel pipe used in hydraulic equipment

    In common condition that in the series of small diameter seamless steel pipe, small seamless precision steel pipe is widely used in the application area. Small seamless precision steel pipe is mainly used in hydraulic equipment, with good surface finish of mechanical structure and high precision of Read More »

  • 09-03
    2018
    Seamless Steel Pipe Application In The Automotive Industry

    The seamless steel pipe is made from relatively hard raw materials, and due to the special process, there is no gap, it has been used in many industries, buildings, and many other areas, such as in the automobile industry, effectively improving the overall quality and extending the service time.Intr Read More »

  • 08-21
    2018
    The application of welded steel tube ?

    1. Welded steel pipe for low-pressure fluid transportation (GB/T3092-1993) is also called general welded pipe, commonly known as black pipe. It is a welded steel pipe used for conveying general lower pressure fluids such as water, gas, air, oil and heating steam and other purposes. The thickness of Read More »

FAQ

  • Q what is the main products of you company?

    A Our compay specilized in cold drawn seamless steel tube and cold rolled seamless steel tube.It is used for gas spring ,shock absorber, front fork,rear cushion ,exhaust muffler, automitve silences.
  • Q What is your company's annual output?

    A Our factory can product 8,000 tons seamless tubes one year.
  • Q What is the main application of the product?

    A Our seamless tube main use in gas spring,shock absorber,heat exchanger ,front fork , rear cushion, exhaust muffler and condenser and other occasion where high precision and brightness and mechanical property is required.
  • Q Your company can produce the steel tube with 80mm outside diameter?

    A Sorry,the OD of our steel tube is from 6mm to 65mm,tolerance :1-8mm.
  • Q What the main market of your company?

    A In addition to the domestic market, our existing customers in Pakistan, Malaysia,Thailand and Malasia ,USA,Canada etc.
  • Q How many machines in your factory?

    A 1. 25 cold rolled machines and 11 cold drawn machines                                                                                                          
    2. 5 Straightening machine .                                                                                                                                                      
    3. 5 Cut-off machine. Annealing furnace, Mechanicial tester, rockwell hardness tester, chemical analysis instrucments. Eddy current Testing Machine
  • Q How do you ensure quality?(quality control)?

    A
    1.We purchase high quality raw material from big steel corp.
    2.We test 3-4 times in the production process.And quality control department test pipes random.Before packaging,pipe should be test in mechanical tester and rockwell hardness tester and Eddy current testing machine
    3.Our Annealing furnace control temperature and annealing time through Semi-automatic digital control  . It means we can control mechanical properity.   
  • Q Compare with other company,what the advantage of your products ?(Hong YI)

    A 1.We are family business ,we can save some unnecessary cost                                                                                      
    2.We have our own brand. so we are responsible  for our brand.Brand is our quality                                                      
    3.We can provide best after sales service ,price is better in same quality                                                                                                                        
    4.Semi-auotmatic gas annealing furnace can control mechanical properites better                                                                  
    5.Adequate supply capacity
  • Q How do you gurantee your delivery time?

    A 1.For some big factories. Your quantity is not very big,but you are VIP customer in our factory. So we will do our best for your goods                                                                                                                                                                                
    2.If you cooperate with us. we can cancel some small customers. only produce for you
  • Q How long have you had the experience of production?

    A
    1.We have more than 14 year's experience
    2.our factory covers an area of 20,000 square meters and more than 100 employees
    3.Most of our customer are gas spring factories, shock absorber factories and automotive spare parts factories in different countries
  • Q Have you ever worked with big companies?

    A Yes,we have ever cooperated with Toyota. They purchased cold rolled seamless steel pipe for shock absorber.
  • Q What is your main product?

    A
    1.Our main products include cold drawn seamless steel tube and cold rolled seamless steel tube
    2.OD:6-65mm;Wall thickness:1-8mm
    3.We can produce 8000 tons of steel tube every year.
    4.60% cold drawn tubes and 40% cold rolled tubes
  • Q What kind of quality certification you can provide?

    A What quality certification you need?We can provide most certification you need.
  • Q How long will the delivery take from China to us?

    A
    Before delivery time ,could you please provide more information?                                                                                          
    1.Which craft you need?The time of cold rolled tubes may be longer than cold drawn tubes.
    2.It also depends on your quality. The MOQ is 1 ton.One container , the delivery time is around 25 working days.
    3.And the shipping time may be takes () days without special situation. It is just for reference
  • Q Can I return or exchange pipes if there are some unqualified products

    A
    1.Sorry, we cant provide this service.Before production, please provide details information . And before you place an order,we will send sample to test                                                                                                                                                  
    2.Through testing , we will arrange the production . Quality control department will test pipe random while the goods be finished. Or we can send random small pieces to test again
    3.Our rate of finished products is over 95% and some size are more higher 
    4.We will send more as compensation if  the quantity is beyond the rate of finished products in next order.
  • Q What is the advantage of your products ?

    A 1.The complete production equipment: Pickling tank--Phosphating pool--Annealing furnace--cold drawn equipment--cold rolled equipment-cut-off machine-- straightening machine--Eddy current testing machine--Mechanical teser--Rockwell hardness tester--Chemical analysis instrucments.                                                                                                    
    2.Production testing : 2-3 times testing during production .Before packaging , Eddy Current Testing Machine test all pipes again. To test mechanical property, hardness                                                                                                                                    
    3.Standard sea freight packaging: Internal wrapple with plastic film , external wrapped with woven bags , iron stand              
    4.The company is famous for its good after sale service.All sales is online 24hours to help you solve the problem ASAP
CONTACT US
If you have any questions or comments, please contact us using the form below.

CONTACT US

Add : Chuangsheng Road. Luoyang Industrial Zone,Luoyang Town, Wujin District, Changzhou city. Jiangsu Province, China

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 Tel  :+86-519-88522885
 Tel : +86-519-85585188
 Fax : +86-519-88522598
 E-mail : raysales2@raysteeltube.com
 Skype : raymondcc8@outlook.com

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