Customization: | Available |
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Customized: | Customized |
Standard: | AISI, API, AISI, API, GB |
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There are two type of tooth of tricone bit which cause two manufacture process of the tricone bit . It is kind of you to reference the two type of manufacture process :
Our factory have warded API and ISO certertification . surely , our techinical person have worked in the USA top facotry before .
So we have over 20 patents .
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