We uphold the tradition of independent innovation and the pursuit of excellence, and continue to conduct technological research and development in the field of qpq coating, qpq salt bath, qpq coating equipment for key user applications.We are implementing the new green development concept, increasing research and technological development and application to create the quench polish quench which with low energy consumption. We value the interests of related parties, create value through strategic synergy and cooperation, and pursue common development and progress in a mutually beneficial manner. As a pioneer in the development of today's industry, our company has been actively committed to creating a learning enterprise in recent years in order to ensure its continuous leading position in the same industry. We continue to improve technology to meet the needs of social development, and take practical action to help the realization of the Chinese dream. We have won praises from customers at home and abroad by virtue of our honest and rigorous work style, technical and talent advantages, and our products are sold well in many countries and regions. Over the years, with excellent management system and unique regional advantages, we have established long-term, stable and friendly cooperative relations with many manufacturers at home and abroad.
  • 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 energy

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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 energy

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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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Carol Ho star star star star star
After our inspection, not only there is no product quality problem, but the certificates and various lists are also complete.
Betty Baker star star star star star
This company has the idea of "better quality, lower processing costs, prices are more reasonable", so they have competitive product quality and price, that's the main reason we chose to cooperate.
Carlos Taylor star star star star star
We were very impressed by the professional team and the sophistication of your products.
Florence Le star star star star star
They are a big brand, trustworthy, and the product quality is guaranteed, and I am very satisfied.
Jerald Crabtree star star star star star
The company's customer service staff has a very good service attitude, always very patient for us to make product-related answers, to help us choose the right products for us.
Andrew Runkle star star star star star
You have been very responsive and helpful to us throughout the whole period of cooperation. Overall, we are very satisfied with this cooperation.

We would welcome any potential clients to contact us to give us the opportunity to provide buttress thread carbide inserts, Forming Inserts for Engine Covers solution customized to your needs and requirements. We're known as one of the most professional quench polish quench manufacturers and suppliers in China. Please rest assured to buy high quality quench polish quench at competitive price from our factory. Good service and punctual delivery are available.

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