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The cooperated development for karway drill series between Rahmah International Trading company and xuanhua xinyu drilling machinary companyXuanhua Xinyu Drilling Machinery Co.,Ltd. specializes in manufacturing and selling Karway series drills ,drill mobile bodies and accessories, high and low pressure imp actors and drill bits.
Our company is established in 2001.It is located in Xuanhua New and High-tech Development Zone, Hebei.
It is 175 kilometers from Beijing. The registered capital is RMB 15,000,000 YUAN. The company adopts the manufacturing mode of the world-advanced international control core technology, and establishes a heat treatment, assembly and parts manufacturing base in Xuanhua.
The company introduces foreign advanced technologies, adopts advanced international industrial standards and develops its proprietary technologies.
As far as heat treatment is concerned, carbonization is performed through a special production line based on Germany technologies and including a cleaning machine, multipurpose furnace, tempering furnace, quenching furnace and special intermediate frequency heat treatment, and carbon potential, temperature, time and flow are controlled by a computer.
Machining the five-axle linkage machining center are provided in the parts manufacturing base.
The reinforcement process device based on American technologies enables residual find micros racks of processed key parts on the surface to form a thin layer of compressive stress to achieve stress release, thus deferring and enhancing the ability of anti fatigue-fracture of high-speed moving materials.
There are strictly controlled test means and test beds for ex-factory products. |
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| DTH Blast Hole Drills , Rock Drilling Tools, DTH Drill Bits, DTH Hammer, Bulldozer |
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| Company : |
Rahmah Trading International Co.,Ltd |
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Contact us |
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| Country : |
China |
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