News
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Maintenance
The Maintenance Ground support System provides the aircraft ground crew and maintenance support personnel with the means to upload and download all aircraft maintenance data for analysis with respect to health and usage. The system also supports data exchange with fleet-management systems and can...Read more -
Ground Support With Sprayed Concrete
A new type of sprayed concrete using coarse-grained aggregates and cement with special additives to accelerate the hardening of the concrete has been developed in Europe. Known as “shotcrete” it has found increasing application as a means of ground support for underground excavations in Europe an...Read more -
news IADC Code By Yinhai Rock Bits
INLLUSTRATION OF IADC CODE OF TRICONE BITS IADC-THREE DIGITS FIRST DIGIT SECOND DIGIT THIRD DIGIT FROM 1~8 Higher number denotes increase tooth count for harder formations FROM 1~4 FROM 1~7 This digit classify bits acco...Read more -
new design product release
YINHAI Product Line The high-quality YINHAI product line bits are designed for drilling various types of wells Sizes From 5 7/8” to 6 3/4” 5 7/8”- 6 3/4” Seals & Bearings: 5 7/8”to 6 3/4” Bits of this line have a reliable sealed journal bearings system which provid...Read more -
new design product release -roller hole openner
Ⅰ. OVERVIEW OF YINHAI HOLE OPENERS Roller Cone Hole Opener Size (inch): 8”~62”and customized according to drawings or requirements. Roller cone size(inch): 6 1/2”~26” Roller cones from tricone bits Pilot rock bit size: 5 1/2”,6 1/2”,8 1/2...Read more -
Spring 2022 Campus Recruitment Guidelines
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