Unik is stainless steel tube supplier for GM, FORD and BMW. Mob:0086 13639451916(whatsapp,wechat). Email:mike@uniktubo.com www.uniktubo.com

1. Company Introduction
Founded in 2007, Yucheng Unik Machinery Co.,Ltd. is located at Xicheng Industrial Park in Yucheng City,
Shandong Province, China. Unik is developing as a professional supplier of stainless steel welded tube. The tubes are
widely used on industrial application: pressure vessel heat ex-changer, and automobile exhaust system.
The factory covers an area of fifteen thousand square meter. There are one hundred and fifty nine employees,
among them technical and QC staff accounts for fourteen percent. Unik owns full set of advanced tube making lines,
bending and stamping machines, and other tube processing equipment.
Unik is holder of ISO9001:2015 and IATF 16949: 2016 certificates. Unik is the industrial tube supplier of
Himile, Linde, Bhel in pressure vessel application, and GM, Great Wall Automobile, BAIC Group,Sinotruk Group in
automobile industry.
Unik is one-stop industrial tube solutions provider four our customers. Our products are exported to United
States, Canada, South Korea, India, Bangladesh, Brazil, Zambia and other countries.

2. Certificates

3. Products
Welded Austenitic Steel Boiler, Superheater, Heat Exchanger and Condenser Tubes
Standard:
ASTM A249, GB/T 24593-2009,JIS G3459,EN 10217, DIN 17457
Straight tube
(Grade)：304/304L、316/316L、321
(O.D)：Ф8mm---Ф159mm
(W.T)：0.6mm----3mm
(Welding method)：TIG Welding
(Annealing Temp):1040-1150℃
(Hydrostatic pressure test): 3Mpa
Online eddy current non-destructive process monitoring

4. U bend tube
(Grade)：304/304L、316/316L、321
(O.D)：Ф8mm---Ф25mm
(W.T)：0.6mm----2.5mm
(Welding method)：TIG Welding
(Annealing Temp):1040-1150℃
(Hydrostatic pressure test): 3Mpa
Online eddy current non-destructive process monitoring
Radius≧20mm

5. Embossed pattern tube
(Grade)：304/304L、316/316L、321
(O.D)：Ф16mm---Ф32mm
W.T)：0.6mm----2.5mm
(Welding method)：TIG Welding
(Annealing Temp):1040-1150℃
(Hydrostatic pressure test): 3Mpa
Online eddy current non-destructive process monitoring
Embossed expansion per customer’s drawing

6. Corrugated tube
(Grade)：304/304L、316/316L、321
(O.D)：Ф8mm---Ф32mm
(W.T)：0.6mm----1.5mm
(Welding method)：TIG Welding
(Annealing Temp):1040-1150℃
(Hydrostatic pressure test): 3Mpa
Online eddy current non-destructive process monitoring
Produce per customer’s drawing

7. Snake type tube
(Grade)：304/304L、316/316L、321
(O.D)：Ф8mm---Ф25mm
(W.T)：0.6mm----2.5mm
(Welding method)：TIG Welding
(Annealing Temp):1040-1150℃
(Hydrostatic pressure test):3Mpa
Online eddy current non-destructive process monitoring
Produce per customer’s drawing

8. Coil tube
Grade：304/304L、316/316L、321
(O.D)：Ф8mm---Ф25mm
(W.T)：0.6mm----1.5mm
(Welding method)：TIG Welding
(Annealing Temp):1040-1150℃
(Hydrostatic pressure test):3Mpa
Online eddy current non-destructive process monitoring
Produce per customer’s drawing

9. Application

10. Automobile Exhaust System Muffler Tubes
Standard ：
ASTM A554,GB/T12770-2012,JIS 3446,EN 10296-2
Conduct the APQP process according to the drawings provided by customers.
(Muffler Tube):
(Grade):409L、436L/436、439、304、321、、429、439、441、201、430JIL
(O.D): Ф38mm---Ф159mm
(W.T):1.0mm-2mm

11. Straight pipe

12. Perforated pipe

13. Big tube
Bend pipe

14. Spinning parts
Stamping parts

15. Welding assembly

16. Automobile fiber

17. Application

18. Production Equipment
Unik owns 20 nos argon arc welding pipe making, bending, stamping, spinning machines, corrugation
expanding, rounder, straightening equipment, online eddy current test instrument, online solid solution bright
annealing furnace, polishing unit and etc.

20. 试验设备 Test EQP
Unik inspection center equipped with full set of mechanical property, technological property, hydro static,
pneumatic, metallographic, non-destructive testing equipment. Unik can carry out tension,
hardness,squashing,crimping,flaring,reverse bending,flattening, intergranular corrosion,hydro static,pneumatic and
metallographic corrosion test.

21. Suppliers
Suppliers

22. Contact
Michael Ma
Managing Director
Yucheng Unik Machinery Co.,Ltd.
Tel: 0086 534 7785989
Mobile: 0086 136 3945 1916
Email: mike@uniktubo.com
Skype: michael.ma930