Qingtuo Metal Products (Qingdao)Co.,Ltd
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4 Years
shandong
Since 2014
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Cold Rolled Stainless Steel Sheet

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Hot Rolled Stainless Steel Sheet

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Cold Rolled Stainless Steel Coil

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Welded Stainless Steel Pipe

 (43)

Carbon Steel Sheet

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Nickel Alloy Steel

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Seamless Stainless Steel Pipe

 (34)

Hot Rolled Stainless Steel Coil

 (20)

Stainless Steel Square Pipe

 (43)

Stainless Steel Rectangular Pipe

 (14)

SS Round Bar

 (29)

SS Square Bar

 (11)

SS Flat Bar

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Stainless Steel Strip

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Stainless Steel Angle Bar

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Stainless Steel Channel Bar

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Why Can We Always Ensure Excellent Quality

Quality Control

Quality control is essential to building a successful business that delivers products that meet or exceed customers' expectations. It also forms the basis of an efficient business that minimizes waste and operates at high levels of productivity.

Quality is critical to satisfying your customers and retaining their loyalty so they continue to buy from you in the future. Quality products make an important contribution to long-term revenue and profitability. They also enable you to charge and maintain higher prices. ... Most of us needs quality products and services.

There are seven primary quality control tools which include:

Metallurgical, hardness, hardenability, tension, ductility, compression, fatigue, impact, wear, corrosion, creep, machinability, radiography, magnetic particle, ultrasonic, and eddy current are some of the major tests that are performed by quality control personnel.

Checklists. At its most basic, quality control requires you to check off a list of items that are imperative to manufacture and sell your product.

Fishbone diagram. ...

Control chart. ...

Stratification. ...

Pareto chart. ...

Histogram. ...

Scatter Diagram.

Remove the oxide layer on the steel, put a drop of water, rub with copper sulfate, after rubbing, such as not discolored, generally stainless steel; such as purplish red, non-magnetic for high manganese steel, magnetic generally ordinary steel or low alloy steel.

Certification

Qingtuo Metal Products (Qingdao)Co.,Ltd Certifications
Standard: CE Certification
Number: ET1003101005
Issue Date: 2019-03-10
Expiry Date: 2024-10-22
Scope/Range: Products
Issued By: EUT
Qingtuo Metal Products (Qingdao)Co.,Ltd Certifications
Standard: EMS Certification
Number: 06415E10529ROM
Issue Date: 2019-07-28
Expiry Date: 2022-07-27
Scope/Range: Management System
Issued By: IAF
Qingtuo Metal Products (Qingdao)Co.,Ltd Certifications
Standard: CQC
Number: 00115Q20697R2M/3401
Issue Date: 2019-06-20
Expiry Date: 2022-06-15
Scope/Range: Products Quality
Issued By: China Quality Certification Center
Qingtuo Metal Products (Qingdao)Co.,Ltd Certifications
Standard: SGS
Number: CANEC1420811701
Issue Date: 2014-12-18
Scope/Range: Products Test Report
Issued By: SGS-CSTC
Qingtuo Metal Products (Qingdao)Co.,Ltd Certifications
Standard: CE Certification
Number: ET1003101005
Issue Date: 2019-03-10
Expiry Date: 2024-10-22
Scope/Range: Products
Issued By: EUT
Qingtuo Metal Products (Qingdao)Co.,Ltd Certifications
Standard: EMS Certification
Number: 06415E10529ROM
Issue Date: 2019-07-28
Expiry Date: 2022-07-27
Scope/Range: Management System
Issued By: IAF
Qingtuo Metal Products (Qingdao)Co.,Ltd Certifications
Standard: CQC
Number: 00115Q20697R2M/3401
Issue Date: 2019-06-20
Expiry Date: 2022-06-15
Scope/Range: Products Quality
Issued By: China Quality Certification Center
Qingtuo Metal Products (Qingdao)Co.,Ltd Certifications
Standard: SGS
Number: CANEC1420811701
Issue Date: 2014-12-18
Scope/Range: Products Test Report
Issued By: SGS-CSTC
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