We have specialized in the design and manufacture of qpq salt bath, quench polish quench, Metal Surface Heat Treatment for many years and gained loyal customers all over the world.We will make every effort to be outstanding and perfect, and accelerate our steps for standing in the rank of international top-grade and high-tech enterprises for qpq salt bath. We are willing to contribute to the rapid development of modernization with our efficient talents and advanced technology, together with our colleagues at home and abroad. Our excellent corporate culture has a demonstration and incentive effect on all employees and all levels of the enterprise. With the advantages of long-term stock, stable supply and excellent after-sales service, our company has won a good reputation in the industry and is deeply trusted and supported by manufacturers and dealers at home and abroad. Over the years, the company has been upholding the enterprise spirit of "self-improvement, service and dedication", and has achieved rapid development in business operation and simultaneous improvement in economic benefits, and the enterprise has been developed significantly. Our company in line with the desire of long-term cooperation with customers, with high quality, high technology, seeking truth from facts, loyal service attitude. In line with the purpose of creating a high-quality brand, our company pursues the business philosophy of 'sincere creation of satisfaction' and the service principle of 'humanization and specialization'. Having talents is the first ch
  • 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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Ophelia Howard star star star star star
Although the procurement process was not smooth sailing, our problems have been properly resolved, which is also our favorite.
Edna Olsen star star star star star
Under the guidance of customer service, we bought a product that met our needs very well and the quality was very good.
Virginia Helzer star star star star star
The quality of the product is excellent and we love it!
Robert Waters star star star star star
This supplier's merchandise is really good, love it!
Cindy Miller star star star star star
When choosing a cooperative company, we often attach importance to the following points: strategic leadership, overall planning, industry influence, work execution, and team cohesion. This company is
Marie Florez star star star star star
We believe that the quality of products is the core competitiveness of a company. The products of this company are very popular with me, and the price is set reasonably.

We hope that more customers can provide high-quality carbide parting tool lathe, outside diameter gauge and win the trust and praise of customers. We're known as one of the most professional qpq salt bath manufacturers and suppliers in China. Please rest assured to buy high quality qpq salt bath at competitive price from our factory. Good service and punctual delivery are available.

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