Rich Treasure Precision Industry Co., Ltd. is a dedicated manufacturer specializing in tungsten carbide and ceramic parts, as well as precision gauge fabrication. With over 20 years of manufacturing experience, the company focuses on the production of precision gauges and high-accuracy mechanical components. Our products and services are widely applied in medical devices, aerospace technology, precision machinery, and other high-end manufacturing industries. Main Products: • Tungsten Carbide / Ceramic Mold Components • Customized Pin Gauges and GO/NO-GO Plug Gauges • CNC Optical Profile Grinding • CNC Wire-Cut EDM Products • Precision Tungsten Carbide Round Rods • Shaft Grinding Services To continuously pursue high quality and stability, the company has introduced advanced international machining equipment, including JAINNHER NC centerless and cylindrical grinders (Taiwan), CHARMILLES CNC wire-cut EDM machines (Switzerland), WAIDA CNC optical profile grinders (Japan), and ROLLOMATIC CNC Grinding Machines (Switzerland). These technologies enable us to achieve high-precision, flexible, and fully customized production capabilities, ensuring a stable supply that meets the stringent accuracy and consistency requirements of high-end customers.

High precision non-standard tungsten steel and ceramic needle gauges, with an accuracy of up to 0.0005 in one direction and a roundness controlled within 0.0005. The dimensions are precise and the delivery is fast.

We can provide various high-precision punches and bushings for use together. The products roughly include: punch, ejector pin, liner, cup needle, metal stamping parts, die, core shaft, etc.
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The outer diameter tolerance can reach 0.0005 in one direction, the roundness can reach 0.0003, and the surface smoothness is Ra0.025a. It is widely used in powder metallurgy core rods, impact resistant continuous punching dies, cutting tools, etc. Stable performance and fast delivery!

Precision CNC grinding equipment, various special-shaped parts, medical accessories, molded spare parts, and more.

Customized tungsten steel probe, with a ball head diameter that can be machined to specifications of 0.15 or more, with precise dimensions, suitable for measuring parts in various testing instruments.

High precision grinding equipment, slow wire cutting.
Tungsten Carbide and Ceramic Mold Parts Customized Pin Gauge/Plug Gauge(GO/NO-GO) CNC Profile Grinding CNC Wire Cut EDM Products Precision Tungsten Carbide Round Rod Shaft Grinding