| Customization: | Available |
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| After-sales Service: | 10 Million Km |
| Warranty: | 3 Years |
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| Code | Test item | Staindard | |
| 1 | Surface | Up to standard | |
| 2 | Welding quality | Up to standard | |
| 3 | Outer diameter | Up to standard | |
4 |
Mechanical behavior | Strength of extension≥290MPA | |
| Yield strength≥200Mpa | |||
| Ductility≥25% | |||
| 5 | Wall thickness | 0.70±0.05; 1.0±0.08 | |
| 6 | Flaring test | Flaring rate≥20%, After flaring, no flaw, peeling,etc. | |
| 7 | Bending test | 3D as the radius to bended, no flaw, peeling,etc. | |
| 8 | Flattening test | After flattened, no flaw | |
| 9 | Inner cleanliness | ≤194mg/m2 | |
| 10 | Eddy current inspection | After eddy current inspection, no defect | |
| 11 | Pressure test | ≥40Mpa | |
12 |
Plating thickness | Color Zinc ≥8μm | |
| White Zinc ≥8μm | |||
| Olive green passivation ≥12μm | |||
| Aluminium alloy ≥15μm | |||
| PVF | Zinc thickness≥15μm | ||
| PVF≥15μm | |||
13 |
Salt spray | Color Zinc ≥ 96hs | |
| Olive green passivation≥148hs | |||
| Aluminium alloy≥400hs | |||
| PVF≥ 500hs | |||
-QDGY was established in 2008 with a registered capital of 150,0000 dollar .
-1998-2000 specifically supply hose for domestic, Market Share is more than 30%.
- 2000-2004 started to export automotive brake hose.
- 2005 started to products brake hose assembly and fittings.
Brake hose factory moved to Hebei Province
The hose factory located in Hebei was certificated ISO9001-2000
Bought welded steel pipe factory in Qingdao, and began to export steel pipe
We certificated the Ts16949 quality management system by SGS.
-2006 Establish the second fitting factory
-2019 get IATF16949 certificate and ISO9001:2015 certificate
Employee: Head office:15 staff Brake hose assembly factory:60 staff
Hose factory: 80 staff Fitting factory: 60 staff
Steel pipe factory:30 staff
Capacity: Brake hose assembly: 1 million pieces/year
Brake hose: 2 million meter/year
Fitting:2 million meter/year
Steel pipe: 200 ton per year
Annual sales: 2021 about 7.5 million dollar
2022 about 8.5 million dollar
2023 about 10 million dollar
Q1: What kinds of main rubber hose can product?
A: Rubber brake hose,EPDM brake hose,Hydraulic brake hose,Hydraulic hose,water hose,fuel& oil hose,Brake hose,Stem hose,SAE J1401 brake hose,DOT 1/8" brake hose,OE No. brake hose,Flexible brake hose,Performance competition brake hose...
Q2: What size of brake hose can you supply?
A: common size: 3.2x10.5mm(1/8");4.8x12.5mm(3/16")
Special size: 3.2x11mm...or your request size
Q3: Can you print the words(line) as our requirement?
A: Yes,we do provide embossed and printing marking with different color ,as your requirement.
Q4: What kinds of fitting can product?
A: All kinds.Female fitting,male fitting,banjo fitting,adepter brake hose fitting,bolts and nuts,steel with zinc ,chrome,nickle...stainless steel,brass...
Q5: How many types of brake hose do you product?
A: Brake hose,Teflo n braided brake hose,PTFE stainless steel braided brake line,Steel tube,Bundy tube,Steel tube assembly,Brake hose assembly, air brake hose, AC hose...
Q6: What is my order's delivery date?
A: It usually takes 5-40 days,which generally depends on your order quantity and our storage.Details information ,kindly please feel free to contact with us, we will reply you within 24 hours.
Q7.Are you a manufacturer or trading company?
We are a professional manufacturer and export by ourselves .
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