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Serial No. Patent No. Name of Patents Type
1 ZL200810030583.7 A surface treatment process of iron-nickle alloy electroplating Invention patent
2 ZL200810143741.X A Ni-W-alloy anti-corrosion & abrasion electrodeposition coating and its production process as well as electroplating solution Invention patent
3 ZL200710034268.7 A surface treatment process that is the sucker rod or oil-well tubing electroplated with double layers of iron-nickle and tungsten alloy Invention patent
4 ZL200610166006.1 Anodic activation process before electroplating Invention patent
5    ZL03124792.X The applied electroplating solution and process for W-based amorphous alloy & nanocrystalline alloy coatings Invention patent
6 ZL201410331058.4

The application and process of stripping solution for electroplating nickel tungsten phosphorus electroplating on the surface of sintered neodymium iron boron magnet

Invention patent
7    ZL02139648.5 A process of rare earth and transition metal alloys preparation through aqueous solution electrodeposition method Invention patent
8 ZL200820052154.5 A tungsten alloy plated gravure roller  Utility model patent
9 ZL200820052152.6 A tungsten alloy plated coupling   Utility model patent
10 ZL200820052151.1 A tungsten alloy plated downhole drilling motor Utility model patent
11 ZL201120501606.5 An anti-corrosion & abrasion calve block Utility model patent
12 ZL201620221157.1

Tungsten alloy anti-corrosion valve body for offshore platform water delivery pipeline system

Utility model patent

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