Quality Guarantee :

I Quality guarantee

The whole set of system guarantee period 18 months since export from factory or 12 months after tested,

the two conditions based on the prior date,during this period,supplier will bear all the fee which because

of quality problem damaged maintenance or change.

II Quality guarantee system carry out standard(design,manufacture,test)

Strictly according to ISO9001：2000 quality management system standard to manage the whole process

of equipment,details of technical process,measures as following:

(1) Make sure customer requirements,provided perfect,reasonable technical solution

communicating with customer in details&thoroughgoing,make sure customer requirements for equipment

clearly,the technical process for N2 situation,customer currently site and public situation etc.Then according

to our long period industry working experience,then put our suggestion for customer,under mutual fully

communication,reach an agreement situation,put perfect,reasonable technical solution.

(2) Contract review

Before sign the contact with customer,via salesman organize technology,quality purchase,production or

after-sale etc related department reviewing contact,make sure can completely understand customer

requirements,satisfied with contact

(3) Quality management control process

Control for design

Product design is the key link to make up product quality,our company through design,develop to design

confirming the whole process establishing keep control and testing document procedure,then based on

long time testing,accumulating data design,guarantee satisfied with all the requirements

(4) Components and parts purchase,outsourcing manufactured parts manufacturing

All the components&parts of equipment purchasing all according to our company purchase supplying

department “Qualified supplier list”listed,based on fulfill all the contact requirements,testing the goods

by QC.

Outsourcing manufactured parts manufacturing also according to our company purchasing

department“Qualified outsourcing manufactured parts supplier list”listed,based on fulfill contact,Via

QC monitoring the whole process and test it at least.

(5) Production process control

(5.1) Nitrogen generator technical process as follows:

Pressure vessels manufacturing-Pipes welding-rust cleaning(surface treating)-semi-product

assembling-product assembling-painting-testing-testing before factory export

5.2 Operators

Operators must strictly according to technical drawings manufacturing,technical process standard and rule

operating,and according to (process test and inspect control procedure)carry out inspecting,quality

department then testing and inspecting,then recording,qualified product via inspector sign or stamped then

can turn to next procedure.

5.3 Manufacture process drawing,technical standard etc document and data all in state of control,per

workshop strictly according to technical process standard organize production.

After-sale service :

1.Guarantee promise after sale

The whole set of system guarantee period 18 months since export from factory or 12 months after tested

the two conditions based on the prior date,during this period,supplier will bear all the fee which because

of quality problem damaged maintenance or change.

2. Customer management system establish

(1)Kerong Gas establish customer files,convenient for helping buyers manage equipment(like different technical

process equipment correctly working instructions)

(2)Convenient for regularly notice buyer change some easily-broken parts,check equipment¬ification

(like via fax,email etc type remind reasonable working&maintenance equipment)

3.Regularly callback service

(1)Regularly via telephone type carry on tracking service &after-sale suggestion consulting;

(2) Buyer regularly return and visit,and help buyer solve site problems for free.

4.Emergency fault solve

(1)When the equipment fault within 4 hours put support in telephone,if telephone can not solve the

problems,whatever holidays supplier will send engineers come to site within 24 hours after got telephone

or fax

5. Lifelong service

(1) Kerong Gas provide equipment lifelong technical consulting&service all for free;

(2) Kerong Gas provide system equipment lifelong spare parts(beyond guarantee period will charge with

cost price.