Our company has always won widespread praise and praise from all walks of life with its strong overall strength, pursuit of excellence in quality, diverse product structure and perfect and sincere sales services, and has created countless classic Trepanning Tools for Bearing, beveling inserts hs code, grooving tools lathe brand cases.The legendary growth process and the leapfrog development track have made us a model of national qpq coating process enterprises. We regard scientific and technological innovation and technological transformation investment as the driving force for enterprise development. Our goal is to build a customer-centric, pioneering, innovative, united and cooperative, honest and trustworthy company. We focus on what customers are concerned about. In the process of improving service, we do more transposition thinking to make the service mode and service process more suitable for the characteristics and needs of customers. Over the years, our company has been innovating constantly, and we are actively exploring various opportunities to enter the overseas market. Good corporate culture can bring a win-win situation to enterprises and employees, so our company attaches great importance to the construction of corporate culture. We have created our own brand with first-class management, first-class staff quality and modern equipment.
  • Nitriding Quenching Salt

    Nitriding Quenching Salt

    QPQ technology is a revolutionary new technology in the field of metallurgy. It permeates variety of metal elements to the surface in the two different nature of the bath which can improve wear...

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  • Molten Salt for Quenching

    Molten Salt for Quenching

    CTRI QPQ independently developed a unique salt bath formula in late 1980s after long time research and development.

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  • Nitriding Oxide Base Salt

    Nitriding Oxide Base Salt

    In recent years, CTRI made new progress. CTRI successfully developed second generation of QPQ technology and improved QPQ equipment, making it easier for customer operation, further reducing...

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  • Salt Quenching Steel Valve High Temperature

    Salt Quenching Steel Valve High Temperature

    According to the result of slid-wear testing, the wear resistance of medium carbon steel with QPQ treatment is 30 times than conventional quenching.

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  • Salt Quenching Steel Valve Low Temperature

    Salt Quenching Steel Valve Low Temperature

    In recent years, CTRI made new progress. CTRI successfully developed second generation of QPQ technology and improved QPQ equipment, making it easier for customer operation, further reducing...

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  • Heat Treatment Furnace

    Heat Treatment Furnace

    Provide detailed technical data, complete set of process documents, equipment drawings, complete sets of special equipment (a total of six series of specifications for selection), paid supplies...

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Florene Rivers star star star star star
Customers are very satisfied after receiving your products, not only fine workmanship, but also very easy to use.
Walter Shinn star star star star star
The company aims to create value for customers and grow together with customers, constantly improve its service attitude and strive to make customers get the best shopping experience.
Michael Kidder star star star star star
You have a wide variety of products, and the colors of the products are very beautiful! We are very satisfied!
Betty Hill star star star star star
Hope that the company could stick to the enterprise spirit of "Quality, Efficiency, Innovation and Integrity", it will be better and better in the future.
Andre Wolfe star star star star star
One of the things that sets your company apart from others is that you are very thoughtful and listen to your customers' ideas.
Jessica Robertson star star star star star
Their products are of good quality and shipped quickly, and it's worth repurchasing.

We vigorously promote the popularization of new buttress thread carbide inserts, indexable deep hole drill, Polycrystalline diamond, facing cut and the development of our company. We're known as one of the most professional qpq coating process manufacturers and suppliers in China. Please rest assured to buy high quality qpq coating process at competitive price from our factory. Good service and punctual delivery are available.

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