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WENZHOU ZHEHENG STEEL INDUSTRY CO;LTD Quality Control

Certification
China WENZHOU ZHEHENG STEEL INDUSTRY CO;LTD certification
China WENZHOU ZHEHENG STEEL INDUSTRY CO;LTD certification
Customer Reviews
The delivery time is very timely. Compared with other products I bought from Chinese sellers, you are a manufacturer that can really deliver and ship in accordance with the terms of the contract.

—— Regan Bell

Not bad, the quality is good, and the speed is fast!

—— Shafeeq Shukoor

The product quality is good, but your price will be higher than the price I got from other places, but it is within the acceptable range.

—— Morteza

The goods are received. Yours are very close to the products I imported from Germany, but the prices are much lower.

—— Marty Higdon

Our customers are very demanding and picky about quality, but after seeing your products, they hardly believe that they were imported from China, which is amazing.

—— Uwe Nolte

This is my first time importing products from China. Before that, I dared not try them easily, but I was very satisfied after receiving your goods.

—— Njabulo Mabaso

Thank you for your full assistance in the delivery process, so that we can receive the goods quickly and save a lot of time.

—— Luzuko Ntsomi

I found your company through the introduction of a friend. Obviously your product proves your strength.

—— Neda

Very professional, good reputation and prompt delivery.

—— Tony Malaka

I believe that when I next buy your products, I can save a test fee.

—— Haydar Arıkan

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QC Profile

Inspection and Test Procedure
1. 100% PMI,Spectro Chemical Aanlysis Test for Raw Material
2. 100% Dimension & Visual Examination
3. Mechanical Properties Test Include Tension Test,Flaring Test (For Seamless tube/pipe fittings)/ Flange Test (For Welded Pipe & Tube fittings), Hardness Test ,Reversed Flattening Test
4. 100% Hydrostatic Test or 100% NON-DESTRUCTIVE Test (ET or UT)
5. Radiographic Test for Welded Pipe (shall be accordance with specification,or shall be as agreed upon between the purchaser and vendor)
6. Straightness Test (optional)
7. Roughness Test (optional)
8. Intergranular Corrosion Test(optional)
9. Impact Test (optional)
10. Grain Size Determinations (optional)
NOTES : ALL THE TESTS AND INSPECTION RESULT NEED TO BE SHOWED IN REPORTS ACCORDING TO STANDARD AND SPECIFICATION.

Products are sampled before and after production to conduct destruction experiments. Leave specimens for customers to confirm the quality.

WENZHOU ZHEHENG STEEL INDUSTRY CO;LTD quality control 0

Mechanical properties test (tensile strength, yield strength, hardness test)

WENZHOU ZHEHENG STEEL INDUSTRY CO;LTD quality control 1

Mechanical performance test (impact test)

WENZHOU ZHEHENG STEEL INDUSTRY CO;LTD quality control 2

100% chemical analysis (PMI)

WENZHOU ZHEHENG STEEL INDUSTRY CO;LTD quality control 3

Dimensional inspection.

WENZHOU ZHEHENG STEEL INDUSTRY CO;LTD quality control 4

Flange surface roughness comparison.

WENZHOU ZHEHENG STEEL INDUSTRY CO;LTD quality control 5

Packed in pallets or wooden boxes.

WENZHOU ZHEHENG STEEL INDUSTRY CO;LTD quality control 6

After acceptance, it will be sent to the warehouse and ready for shipment.

WENZHOU ZHEHENG STEEL INDUSTRY CO;LTD quality control 7

Certification
  • China WENZHOU ZHEHENG STEEL INDUSTRY CO;LTD certification

    Standard:PED1

  • China WENZHOU ZHEHENG STEEL INDUSTRY CO;LTD certification

    Standard:PED2

  • China WENZHOU ZHEHENG STEEL INDUSTRY CO;LTD certification

    Standard:Declaration certificate

  • China WENZHOU ZHEHENG STEEL INDUSTRY CO;LTD certification

    Standard:Inspection and quarantine record certificate

    Issued By:China entry-exit inspection and quarantine bureau

  • China WENZHOU ZHEHENG STEEL INDUSTRY CO;LTD certification

    Standard:Foreign trade record registration certificate

Contact Details
WENZHOU ZHEHENG STEEL INDUSTRY CO;LTD

Contact Person: Mr. Bain

Tel: 0086 15858820108

Fax: 86-577-86655371

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