Core Technology

The KX-10 series products employ plant-based material-oriented modification technology, endowing them with unique self-repairing lubrication properties that meet the requirements of both rough and finish machining for a wide range of workpiece materials. These products exhibit excellent resistance to hard water and strong antibacterial performance, resulting in extended service life; they also offer superior lubricity, delivering outstanding tool life and surface finish. As a new generation of green products that completely eliminate the use of conventional mineral oils, they are fully aligned with the national “dual carbon” policy objectives, helping to reduce overall carbon emissions in machining processes and significantly lowering COD levels in wastewater effluents. Field applications at an intelligent technology company in Jiangsu Province have demonstrated a COD reduction of up to 50%, substantially cutting wastewater treatment costs and earning high praise from customers.

Due to its outstanding physical properties, magnesium alloy is increasingly being used in the manufacturing of high-end automotive components. However, magnesium alloy is chemically highly reactive, and prolonged machining can easily lead to pitting corrosion and hydrogen embrittlement. Moreover, its relatively poor corrosion resistance and high-temperature performance place even higher demands on machining processes. To address these processing requirements for magnesium alloy materials, Kexing Chemical has custom-developed the 0809-MG specialized magnesium alloy machining fluid, which incorporates the following core technologies: exceptional safety and environmental friendliness, with no chlorinated paraffins, phenols, or nitrites included;

A superior formulation of sustained-release additives ensures that magnesium alloy machining remains corrosion-free for more than 70 hours; enhanced lubricity meets the stringent lubrication requirements of metalworking operations; excellent anti-foaming properties enable application in high-pressure systems; outstanding resistance to hard water allows compatibility with water hardness levels of 5,000 ppm and above; and effective suppression of hydrogen evolution reactions enhances process safety. The product has now been validated by a major automotive transmission manufacturer, fully satisfying current production and operational needs. It delivers superior performance, broad applicability, and excellent lubricity, while the working fluid itself exhibits no yellowing, degradation, or off-odors.

A certain foreign-invested conglomerate is currently one of the world’s largest manufacturers of rolling bearings, operating more than 80 plants and specializing in the production of various types of bearings, seals, and specialty steels for bearing applications. The company accounts for 20% of global bearing output and conducts business in 130 countries and regions. Kexing’s W1-100 cleaning oil, HJ-921 series heavy-oil deposit cleaners, NK series grinding fluids, JS series rust inhibitors, and GJ-1 series ultra-pure oils have been provided as supporting services, earning the company’s recognition and high praise.

Kexing Chemical has been collaborating with this enterprise since 2016. At that time, one of the enterprise’s plants was facing a technical bottleneck in its carbonitriding heat-treatment process, where achieving the required surface cleanliness and finish proved challenging. Kexing Chemical successfully developed a suitable product to help the plant overcome this hurdle, thereby realizing a technological breakthrough in the industry.

In 2021, a certain factory of the company encountered a series of issues in bearing grinding operations. Kexing Chemical responded swiftly, leveraging its deep industry expertise to custom-develop a formulation. After numerous rounds of formulation adjustments and rigorous validation, the company completed the entire process—from R&D and validation to full-scale production deployment—in just three months, demonstrating the hallmark “Kexing Speed.”

In 2024, Kexing and the company deepened their collaboration. In the cutting-fluid tank long-life management project, Kexing Chemical innovatively deployed the industry’s first “online oil-contaminant removal patent technology,” precisely addressing the issue of declining cleaning performance on the factory’s ultra-precision production lines caused by oily contamination on the outer surface of workpieces, thereby providing critical technical support for stable line operation. In the ultra-clean oil recycling project, Kexing’s R&D center joined forces with the company’s Shanghai R&D center to tackle key challenges together; leveraging the synergistic effects of their respective core additives, they ensured perfect compatibility between the 160-ton used oil in service and SKF’s reconditioned oil system, eliminating the need for complete oil replacement and indirectly reducing carbon emissions by 512 tons of CO2—thus putting the principles of green and low-carbon development into concrete action.

In addition, for many years Kexing Chemical has maintained a policy of reciprocal visits and exchanges with the company’s technical and production leaders, having hosted more than ten such technical experts from the partner organization to participate in exchange activities at Kexing.

A certain group enterprise in Zhejiang Province is one of China’s largest bearing manufacturers and ranks among the top ten globally in the bearing industry. Kexing cleaning agents, metalworking fluids, and rust inhibitors provide supporting services for this company, and the two parties enjoy a friendly, cooperative partnership. At the company’s Wenzhou branch, the large tanks use Kexing QH all-synthetic grinding fluid, which has demonstrated stable performance in monthly inspections. In the Wuhu plant, Kexing’s W1-60 cleaning oil has been adopted as a replacement for aviation kerosene in a specific project; Kexing’s product is safe, environmentally friendly, low-odor, with a flash point exceeding 65°C, and its unique cleaning performance meets the cleanliness requirements of aviation kerosene. At the company’s lead-screw manufacturing facility, Kexing GJ-1 cutting fluid has been stably used, enabling higher wheel speeds, reduced machining time, and improved operational efficiency—meeting processing requirements without causing any tool burn. Meanwhile, Kexing 9701 metalworking fluid has also proven highly effective in validation tests.

A globally leading construction-equipment manufacturer, in response to the Product Integration Requirements of its Commercial Indirect Procurement Department, has replaced more than 20 of its original suppliers’ products with Kexing’s offerings across the board. This move facilitates centralized management while delivering cost reductions and efficiency gains. Kexing’s HJ-921C cleaning agent, MK metalworking fluid, JY rust inhibitor, and other solutions cover the entire value chain—from rough machining and finish machining to surface treatment and wastewater treatment—providing comprehensive, multi-layered support for the company’s smart manufacturing initiatives.

Notably, in December 2014, with President Xi Jinping and Venezuelan President Nicolás Maduro serving as witnesses, the company secured an order worth nearly US$10 million, requiring the urgent shipment of mixing equipment to Venezuela. However, a high-viscosity paraffin-based anti-rust coating on the workpiece surfaces posed a significant obstacle to assembly. Drawing on more than two decades of R&D expertise, Nantong Kexing’s technical task force innovatively employed ultra-high penetration and emulsification technologies. After numerous trials, they successfully overcame this challenge by developing a specialized wax-removal cleaning agent that swiftly eliminated the coating, thereby ensuring timely delivery of the order and safeguarding the company’s international reputation and China’s national image. Subsequently, the company issued a special letter of appreciation, highly commending Kexing’s contributions.

At a certain engine manufacturing facility, the production process involves a wide variety of materials—ranging from steel and cast iron to titanium alloys and stainless steels—each imposing extremely stringent requirements on cutting fluids. To address this challenge, Nantong Kexing promptly mobilized its R&D team, conducting product prototyping, field trials, and dozens of validation tests, ultimately developing the high-performance semi-synthetic cutting fluid Kexing 9701‑VFMT, which outperforms comparable domestic and international products across multiple key performance metrics.

This product addresses the challenges associated with high-precision machining and extreme-pressure lubrication requirements in the processing of titanium alloys and high-carbon steels in China (for 7075 aluminum sheet, the maximum tapping torque is 122 N·cm, with an average of 97 N·cm).

Designed for carbide grinding on a wide range of machine tools, including those from ANCA, Walter, Romatec, and Makino, as well as for general machining of copper and aluminum alloys, ultra-precision grinding, lapping, polishing, and light-load cutting (such as finish turning and finish grinding). Nantong Kexing has developed the Kexing GJ-4Z carbide grinding fluid, which offers the following advantages: excellent lubricity and extreme-pressure performance to ensure machining accuracy; superior cooling properties that effectively dissipate heat generated during grinding; advanced self-coagulation and self-settling of grinding swarf, reducing the load on filtration systems and extending overall service life; outstanding defoaming performance and rapid air release, ensuring continuous high-flow spray; extremely low evaporation and excellent oxidation resistance, allowing for reduced consumption while prolonging the service life of the grinding fluid; and effective prevention of cobalt precipitation. This product has been successfully implemented at a renowned cutting-tool manufacturer, further solidifying Kexing’s leading position in the metalworking oils and fluids market and providing more product options as an alternative to top-tier international imported brands.

To meet the machining needs of difficult-to-cut materials such as stainless steel and high-nickel alloys, Nantong Kexing has developed EP-9701, a low-mist semi-synthetic cutting fluid specifically for stainless-steel machining. This product boasts the following key advantages: excellent surface-finishing performance that significantly extends tool life; outstanding rust-prevention properties that provide robust protection for both machine tools and workpieces; strong resistance to contamination by extraneous oils, resulting in a long service life; low foaming and broad water-quality compatibility (capable of handling hard water up to 800 ppm); good paint compatibility; and excellent compatibility with sealing materials. When applied at an instrumentation company in Ningxia, it has successfully enabled domestic substitution for top-tier international brands, effectively resolving issues such as excessive smoke generation and sticky deposits on machine-tool internal surfaces that were previously associated with a certain international brand.

HJ-MN manganese-based metal surface treatment agent is suitable for high-speed operating components in the automotive, motorcycle, marine, home appliance, and light-industry sectors, such as gears, pistons, crankshafts, and cylinder liners. Its core technologies include: the resulting phosphating film typically achieves a thickness of 2–6 micrometers, with a deep, uniform black color and consistent surface tone—no mottling or color fading; after oil-immersion sealing, the treated surface exhibits excellent decorative appeal and the film provides solid lubrication; it delivers optimal corrosion protection, with high hardness, excellent thermal stability, and superior wear resistance. This product has been continuously and reliably used by a renowned home-appliance and light-industry company.