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Custom products design and manufacturing

More than 100 sets of mould for ceramic backing welding

Better service ,Better Design
contact us 718642093@qq.com

Read More
More than 100 sets of mould for ceramic backing welding

Duration of validity

 

    Welder certificates are issued under the full and sole responsibility of the examiner or

examining body. They remain valid for two years, provided that the welder continues to

                 work within the validity area and does not take a break of longer than six months. This

must be certified by the every sixth months.

Certificates can be extended for further periods of two years, provided that the

welder's work continues to fulfil specified quality requirements, which must be

confirmed by documentation of tests of the welding work.

 

 

 

                       Supplied  By   RIHUI Ceramic Welding Backing


Date: 2023-04-10     hits: 528    Return


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