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China leading provider of dth hammer bits and dth drill bits, hunan new diamond construction machinery co., ltd. is dth drill bits factory.

Dth drilling tool ql50 down the hole dth drill bits 105-130mm diameter black 2 inch dth drill bits , down the hole hammer bits for shank br2 api 2 3/8'' thread blue color 165mm 3 wings drag bits for water well drilling

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Bd dth hammers are available in holes sizes from 3.5 inches to 24 inches in diameter and up to 32 inches in diameter with the bd drill drill bits. 6 inch hammer is the most used type hammer for all kinds of projects, in order to meet different customer' s request, we produce wide range of bit shank dth hammer for all your needs, below our main type 6 inch dth hammers specifications …

service for hw drill pipe manufacturer with years's encounter, from China.We primarily provide service for hw drill pipe with high quality and competitive value.we have an expert service for hw drill pipe item designers.Our product is via the national specialist certification.


service for hw drill pipe goods supplier in China,we help our prospects with greatest high-quality items and high level service.Becoming the professional manufacturer within this market,we've got gained wealthy practical experience in making and managing.Our service for hw drill pipe merchandise won certifications of the local and international most important authorities .For a lot more detailed information and facts,please speak to us!

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