astm a53b seamless pipe ISO 9001

Our Company

Located in Yantai, a beautiful coastal city in Jiaodong Peninsula, our company is in the (APEC) Science & Technology Industrial Park, urban area of Yantai, with convenient transportation.

Established in December 1992, with registered capital of 5 million yuan and plant and office space of 12,000 square meters, covering an area of 20,000 square meters , our company mainly produces various specifications of cold drawn,rolled precision steel tube,hydraulic cylinder tube and SRB Tube, which are widely used in such industries as hydro-cylinder, automobile, engineering machinery, textile machinery, printing machinery, oil drilling, etc. Our company is also the distributor of several domestic well-known steel tube plants in Shandong, and mainly distributes seamless steel tubes of all kinds of materials.

Our Product Process

Test equipment

Strictly comply with ISO 9001 system, all our products are in high quality control.

 Packing&Shipping

1. bundle packing

2. marking as per customer's requests

3. paint on the pipe as per customer request

4. pipe caps as customer request

Delivery condition

1. NBK(+N)

after cold forming, eventually above phase transition point, in a protective atmosphere of annealing oxidation medium

2. GBK(+A)

after cold forming, annealing in non oxidizing medium protective gas

3. BK(+C)

the final heat treatment after cold forming, therefore small steel pipe plastically, the plastically degree does not guarantee

4. BKW(+LC)

after final heat treatment, a tiny cold drawing deformation, continue again when machining steel pipe allowed inside certain limits cold deformation(bending, flaring)

5. BKS(+SR)

have a stress relief after cold forming, heat treatment, steel pipe can be carried out within a certain limit in the appropriate processing

FAQ

Q1.What do you want to purchase ?

What we can offer are cold drawn seamless tubes,cold drawn welded tubes (DOM tubes)

Q2.Do you have the target price ?

Generally ,we have the target price when we buy something ,which is good for both supplier and

customer ,at the same time ,the target price should be objective ,reflecting the market.

Q3.What factors have an effect on the price ?

1 The market. our price rise and fall accompany with the market

2 The material and the grade .Different materials sometimes mean hundreds dollars.

3 The sizes. generally ,the thinner is more expensive because of the manufacture difficulty

Service

1. Cargo track service during transporting and feedback service after cargo is loaded on board

2. Flexible terms of payment

3. Big discount for repeat customers

4. Alibaba trade assurance supplier

5. More than 20 years steel trading experiences

If you are interested in our products, pls don’t hesitate to contact us, and we’ll do our best for you !