DELLOK High Frequency Welded Longitudinal Finned Tube Polishing

^{DELLOK High frequency welded longitudinal finned tube}

^{About Us}

^{Dellok(YONGHUI Radiating Pipe Manufacturing Co.,Ltd) was established in 2002, which is located in Nanjing, China.We joined HARBIN AIR CONDITIONING CO., LTD. in 2022 and became the most professional industry manufacturer in China. After many years of development, the company now has 66 million yuan in fixed assets, more than 200 employees, and 33 technical staffs. We have 4 aluminum processing production lines, with the annual processing capacity of more than 20,000 tons; And we have 5 tube-drawing production lines; 47 fintube production lines, 1 imported production line from American with the brand of McElroy , with the annual production capacity of 12 million meters the above.}

^{Quality is the theme of eternal pursuit of winner.}

^{Longitudinal Finned Tube:}

^{The fins for longitudinal finned tubes are resistance-welded in diametrically opposed pairs – making them extremely efficient. Formed from a u-channel, the base is pressure rolled and spot welded to the tube and fins are always in multiples of 4.
Third Part Inspection is acceptable.}

^{Advantages of Longitudinal Finned Tube:}

^{Longitudinal finned U-Tubes – single piece construction or with bends welded. Bending tolerances to TEMA or DIN/EN}

^{Product Parameters of Longitudinal Finned Tube:}

^{Base Tube Sizes:
16 mm to 273 mm (10”) and more on request
Tube/Pipe Material:
Carbon Steel (A106, A333, A179, A210, P5, P11, P22, P9, etc.) + Stainless Steels (304, 316, 321 Duplex, Super Duplex, etc.) + Copper and Copper Alloys (Brass, Aluminum Brass, Copper Nickel 70/30 + 90/10) and Nickel Alloys (400, 600 and 800 series) – Materials can be supplied according to all standards like ASTM, ASME, EN, BS, DIN, etc.
Fin Material:
Carbon Steel, 11Cr Steel, Stainless Steel, Copper and Copper Alloys like Brass and Copper Nickel, Nickel Alloys (400, 600 and 800 series), etc.
Fin Height:
4,0 mm to 38,1 mm
Fin Thickness:
0,8 mm to 1,5 mm
Number of Fins:
Depending on the tube OD and your requirements}

^{Product Packaging:}

We can package the products according to the customer's requirements to ensure the safe arrival of the products in all kinds of transportation scenarios. If you have special requirements on packaging, please contact us.

FAQ

^{Q1: Are you trading company or manufacturer?}

^{A: We are manufacture factory and we can accept OEM order. Welcome to visit our factory and check our products.}

^{Q2: Can I have a sample ?}

^{A: Yes, welcome to place sample order to test and check quality. Mixed samples are also OK.}

^{Q3: What is your the lead time for production?}

^{A: Generally Sample needs 1-3 days, mass production needs 15-30 days, also depends on your request.}

^{Q4: What is the warranty for your products?}

^{A :We provide one year warranty for the products.}

^{Q5: What payment terms do you accept?}

^{A :Trade assurance,TT,Western Union.}

DELLOK YONGHUI Radiating Pipe Manufacturing Co.,Ltd, was established in 2003, which is located in Jiangsu, China.We joined HARBIN AIR CONDITIONING CO., LTD.and became the most professional industry manufacturer in China., international bussiness more than 20 years, with it serves in the oil refinery, petrochemical industry, chemical industry, heat ex-changer industry, anti-corrosion engineering and environmental protection etc.. Our main products include pipe, tubes,  U bend tube, finned tube and pipe fittings made of Carbon Steel, Stainless Steel, Copper & Copper Alloy, Titanium, Inconel & Incoloy, Aluminium Alloy and so on.

Dellok Yonghui has successfully achieved this by offering our clients a range of high quality, environment friendly products from a diverse list of reputable, international principals, that sell by their own merit. By maintaining close contacts with our clients and providing dedicated technical support in time, we continue to meet and at times, exceed our clients' expectations. With an objective to provide piping material and tower packing to the oil and petrochemical industries, we strictly carry out a series of quality control measures and material control. The raw materials are purchased from well known, local famous mills such as TPCO, Tisco, Baosteel, Valin Group, Wuyang Steel and Luoyang Copper,..etc . We greatly value the repeat orders from commendable references and above all, the trust of our valued clients earned over the years. Our products are well accepted by customers from many countries

Due to our excellent quality, reliable performance and reasonable prices, we've established long-term relationships with our customers. Being the far-sighted and with a development vision of internationalization, Dellok Yonghui will always sticks to the idea of pursuit of value & cooperation is based on mutual benefits". We warmly welcome friends from all over the world to give counsel for development, and sincerely hope the realization of close cooperation on each field.

Quality is the theme of eternal pursuit of winner

- Production workshop-

Meticulous works, standardized management system and systematic quality assurance are Dellok Yonghui's best commitment to quality. In Dellok Yonghui, the quality control is not only the detection of the final process, but throughout the entire production process. We implement a set of quality control and assurance systems. Each batch of pipes is sampled and tested, and records are kept as a quality guarantee for the final product.

- Production process-

Quality reflects Dellok's strength, outstanding quality rejects mediocrity, each set of advanced equipment and each unique process condenses the spirit of excellence of Dellok Yonghui people. Dellok Yonghui deeply understands that only near-perfect products can realize the core connotation of Dellok's commitment to "achieve your value" , which guarantees your interests and values.

- Quality Control-

In order to ensure that the quality exceeds the standard, Dellok Yonghui has perfect product management monitoring equipment in the facility, mainly including advanced equipment such as spectrometer, material testing machine, thermal performance tester, and water pressure and air pressure testing machine, Webster hardness meter and so on.

- Perseverance and trust-

Dellok products are widely used in petroleum, chemical, natural gas, metallurgy, electric power, grain and oil machinery, food freezing and automobile industries. High-quality products and perfect after-sales service have been praised, favored and supported by users in China and abroad. Dellok Yonghui promises that we regard customers' needs and opinions as work goals, and serve customers with a conscious behavior and potential consciousness at the base of 100% sincerity, quality, and service. Dellok Yonghui has now developed into a professional manufacturing enterprise integrating scientific research, manufacturing and sales. Dellok people will, as always, use advanced high-tech products and dedicated business philosophy to serve the whole society.

Inheritance and innovation are the driving force for progress

Choosing Dellok Yonghui is choosing quality assurance.

Choosing Dellok Yonghui is choosing to make extraordinary.

Let's go ahead together with Dellok Yonghui.

Contact:Brian Wanqian.

T:+86 13761381662 (Whatsap,Wechat,)

M:dellok@fins-tubes.com