Foshan Nanhai Xulong Spring Factory



wire spring solution trusted since 1979


Foshan Nanhai Xulong Spring Factory Quality Control

Dear jacky Yes the springs are good have a great Christmas! Kind Regards, Mark

—— mark

hi,jacky The clips look great as I expected! Just need the installing tool. :) I will pay for the shipping. Jim

—— jim

hi,jacky I did receive the springs. They were all very good. And thank you for the good wishes. new order will be sent to you soon.

—— Erni

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QC Profile

Quality control

Two important factors will effect spring’s quality obviously,the first one material,the second one production 

processes,our quality control work including parts as follow:


1. control quality of material

with many years of hard working,we build good relationship with our material supplier,most of them are very 

famous steel manufaturer,for example,KOBE STEEL(Japan) and BEKAERT(Belgium),with their rich 

exprience on steel manufacturing and quality controlling,we are confident with quality of material.Besides,

our quality department also will inspect material with metallography image analyzer before they enter our



2. professional production processes

Until year 2016,all technologists of our tech dep have woked in the spring industry for over 6 years,

they are very familiar with the character of material and our equipments,also can analysis problems from

customer’s feedback and give a solution,with these pratical exprience,one of our technologist even published

 paper on industry magazine here.


3. guarantee from manage system

We passed ISO certification since 2005,through training and training,our quality department know 

the system documents very well and operate strictly according to system requires.for example,

for inspection,we got first artical inspection,in process inspection and final inpection,every process 

can be traced back with the inspection report table.

Foshan   Nanhai    Xulong       Spring    Factory


4. advance equipments

Our network of facilities utilizes some of the most advanced manufacturing and inspecting equipments 

in the industry today,and customers can rely on XULONG SPRING for quality parts and compliance to 

specifications,we list some of our inspecting equipments as below:

Spring load tester GT-200 (max capacity 100N)

Spring load tester TL-01B (max capacity 500N)

Spring load tester TLS-S2000Ⅰ(max capacity 5000N)

Spring load tester TLS-S20000Ⅱ(max capacity 20000N)

Spring load tester WE-30B (max capacity 300KN)

Hardness tester HR-150A

Hardness tester 401MVA

metallography image analyzer

Fatigue tester HN800


  • Foshan   Nanhai    Xulong       Spring    Factory

    Standard:ISO/TS 16949:2009 certication


    Issue Date:2015-02-03

    Expiry Date:2018-02-02

    Scope/Range:the manufacture of springs,exclusions-product design

    Issued By:SAI GLOBAL

  • Foshan   Nanhai    Xulong       Spring    Factory

    Standard:ISO/TS 16949:2009 certification


    Issue Date:2012-02-10

    Expiry Date:2015-02-09

    Scope/Range:the manufacture of springs,exclusions-product design

    Issued By:SAI GLOBAL

  • Foshan   Nanhai    Xulong       Spring    Factory

    Standard:ISO 9001:2008 certification


    Issue Date:2009-11-02

    Expiry Date:2012-11-01

    Scope/Range:manufacture and sale of springs

    Issued By:SAI GLOBAL

  • Foshan   Nanhai    Xulong       Spring    Factory

    Standard:best quality supplier

    Issue Date:2009-01-02

    Issued By:NESON

Contact Details
Foshan Nanhai Xulong Spring Factory

Contact Person: Mr. jacky

Tel: 86-757-85201511

Fax: 86-757-85201100

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