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G80 Alloy Steel Chain Load Chain

About The Quality and Processing
Our factory can produce EN,DIN,NACM ,BS JIS,AS standard chain or produce chain specification according to cleints` requirement.

How many calibration do we do ? Why ? 
Two times. First time is before the heat treatment and Second is after heat treatment because we want to reach the exact size .

Why is The second calibration strength a little higher than proof test ? 
The second calibration is require higher strength to pull the link meeting exact size .

Why do we do not proof test too if second calibration with higher strength ?
A few chain link is weak after second calibration ,but not broken . So this weak link can be found during the proof test. Although it is a small probability event

Do we make the proof test every link?
Yes.We do 2 proof tests.
A,The second calibration test the every link with short length.B,The proof test is done every link with long length

Can supply the samples? How can we pick up the samples?
We can supply the samples to our client which are picked up randomly from the mass production. It means the samples quality are same as our mass production.

How can we control the material Alloy steel?
Every booth of our alloy steel has test report.

Others>
Does your company have valid business license (the company name, address, products/business scope complied with actual or not)?
Yes, all the details are actual situation.

Is the annual review done by local authority?
Yes, we have passed annual review.

What are your main products?
Various types of G43 high-strength chains, G70 transport, G80 lifting chains, load chains, chain links, tie down chains, binding chains, chain slings, barrel chains, hook chains and series of accessories and Chain automatic bending machine, Chain automatic welding machine, Chain calibration machine, bar drawning machine, chain polishing machine.

Is it confirmed that your company is a real manufacture, foreign trader or combined?
Yes, we are a combined operation company, both processing manufacturing and trading.

Do you support the third party inspection?

Of course.

Will you timely inform me the production situation of my order and send me some production pictures?
Of course, we will.