Mining Machinery Engineering is an interdisciplinary branch of engineering that applies the principles of mechanical engineering, electrical engineering and mining engineering for analysis, design, manufacturing and maintenance of mining equipment. It includes study of various aspects of equipment used in earthworks, mineral processing, bulk material handling, drilling and construction. Coal Mining Machinery,Metal Ore Machinery,Roadheader Equipment,Roadheader Machinery NORTH HEAVY GRYPS EQUIPMENT AND ENGINEERING CO.,LTD , https://www.nhgtunnel.com
Dear
Have a nice day.
  I would like to introduce us to you,and hope that we can build business cooperation in the future.Our company is a manufacturer in China which mainly produces high strength fasteners and specializes in all kinds of hardwares.We have produced designs withÂ
series quality grade,and expressly,our product price is very competitive because we are manufactory, we are the source.Our
mainly products including bolts and nuts.Others such as teeth,screw,shim,washer and so on.If you need ,please tell me withoutÂ
delay.Thanks.Â
Following are the product's basic Information:
Model NO.:A490
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Material:High Strength Steel
Type:Hexagon Head
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Head Style:Hexagonal
Standard:
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Connection:Common Bolt
Export Markets:Global
Additional Info.
Trademark:NGL
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Packing:25kgs Per Box, 36 Boxes Per Pallet
Standard:ASTM
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Origin:Ningbo China
Production Capacity:1600 Ton/Month
Product Description
Structural heavy Hex Bolt (ASTM A325/A490)Â
1). Standard, A325 bolt, A490 boltÂ
2). Material, Carbon steel, alloy steel, stainless steel, etc.Â
3). Surface, Plain, black, ZP, ZY, H. D. G. etc.Â
4). Packaging, 25kgs per box, 36 boxes per palletÂ
Competitive AdvantagesÂ
1). Top Quality controlÂ
2). Competitive PriceÂ
3). Various of DesignÂ
4). OEM AcceptedÂ
5). Customer's Design and Logo are Welcome
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Lately, use of continuous mining machines has become order of the day to comply with environmental regulations, protect surface features and also to achieve increased production rate. As the concern for safety in mines increased and highly stringent regulations were put in place, it required mining machinery engineers to be highly conversant with such regulations.