Ningbo Langsun Tungsten Carbide Co., Ltd.

Our main products include tungsten carbide wear parts, mechanical seal rings and sleeves, nozzles, carbide blade, carbide mining bits, drilling bits, drill tools, tungsten carbide inserts, tungsten rods and plates, carbide cutting tips, roll for high speed rolling for steel bar, tungsten balls and seats, tungsten jewelries, and non-standard customized tungsten carbide products.
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Product Description
We can supply tungsten carbide ball and valve seat with high precision.With high corrosion and wear resistance, and high strength and temperture resistant,our valve ball (tungsten carbide pellets) and seat export to many countries.

Made of tungsten carbide, Tungsten Carbide Balls/cemented carbide ball/hard alloy ball is also called hard alloy balls. It is used for places requiring extreme hardness and resistance to wear and abrasive, hard shocks and impacts. They can be used for special valves, flow meters, recirculating balls bearing screws, liner bearing and balls for ball point pens. They are also used for mining, as pivots and points of compotations. What's more, they are also used for measurements or calibration's of holes and measurement checking devices. 

For sealing of valves of oil pumps in petroleum industry's sand containing wells, viscous oil wells, sea oil wells, high pressure sulfur resistant oil wells, compatible Cemented Carbide valve seats, etc.

Various grades for cemented carbide balls/pellets can be supplied according to customer's drawings.The surface finish, tolerance class and tolerances of dimensions have respectively reached the standards of the machine industry: G5, G10, G16, G40 and G100 of JB/T 9145-1999.

1.Full-set quality control
2.Strict quality inspection
3.Tight Tolerances
4.Technology Support
5.As international standard
6.Good quality and prompt delivery

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