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25

2022-04

Car maintenance isn’t just about changing the oil—car owners should know “this one thing” to save a lot on repair costs!

Everyone who buys a car knows that after driving it for a while, regular maintenance is essential. Yet many people still aren’t sure what kind of maintenance is truly correct. When new owners take delivery of their vehicles, salespeople often advise them to change the engine oil once the car reaches a certain mileage. As a result, many assume that changing the oil alone suffices for vehicle upkeep. In reality, proper maintenance requires more than just oil changes. Relying solely on one fixed method to care for the engine isn’t enough, since oil changes only provide lubrication; if the oil becomes excessively dirty, it can negatively affect the engine’s performance. Beyond oil changes, it’s important to replace the oil filter regularly—ideally, with every oil change. This ensures optimal protection and efficiency. When selecting engine oil, choose the type best suited to your vehicle; don’t assume that more expensive oils are automatically better or that any oil will do. There are various types of motor oil available—mineral-based, conventional, fully synthetic, semi-synthetic, and others—so pick the one that matches your car’s needs. When replacing the oil filter, always opt for a paper‑based filter, as it offers superior filtration. However, during normal use, cars encounter challenges: frequent gear shifts and varying engine conditions can reduce fuel combustion efficiency, leading to the buildup of impurities inside the engine. At this point, a crucial maintenance task becomes necessary—cleaning internal components. Neglecting this cleaning process over time can cause significant deposits to accumulate. These residues, commonly known as carbon buildup, not only wear down the engine but also restrict its operation, resulting in jerky acceleration and increased fuel consumption. Therefore, if you notice these issues while driving, addressing carbon buildup promptly is vital. Most drivers rely on “injector flushing” or similar methods to remove carbon deposits—a technique frequently used by experienced motorists. While such treatments performed at authorized service centers may seem reliable, their effectiveness is often limited. Compared to disassembling parts, injector flushing is considered a safer approach, yet the cleaning agents used typically fail to fully dissolve deeply embedded carbon deposits. These agents can only soften relatively mild buildup; attempting to tackle severe carbon deposits this way is essentially a waste of money. If the carbon buildup damages the engine, it could lead to premature failure and costly repairs. Thus, when seeking solutions, avoid rushing into hasty decisions or blindly applying any method without careful consideration. Rushing could worsen the problem, leaving you regretting your choice later. If your car has been plagued by persistent carbon buildup, or if you’ve already spent considerable money on ineffective treatments, consider trying the following approach. This method has long been favored by industry professionals—and even seasoned drivers agree it can restore your car’s performance after just one application. After all, maintaining your vehicle starts with effectively managing carbon deposits. By consistently using this method, your car can regain the smooth handling, fuel efficiency, and trouble-free operation of a brand-new vehicle.

2022-04-25

25

2022-04

How can you easily address mild oil consumption in your car?

2022-04-25

25

2022-04

Lubricant Oxidation and Antioxidation

When lubricating oil undergoes oxidation, its color darkens, sediment increases, and its corrosiveness rises, leading to a decline in its performance. Therefore, it is essential to understand the causes of oxidation in lubricants so that we can develop appropriate countermeasures and reduce oxidative degradation. Causes of Lubricant Oxidation: 1. The oil’s intrinsic chemical composition itself possesses oxidizable characteristics. 2. Temperature: As temperature rises, the rate of oxidation accelerates. 3. Metals: When lubricants come into contact with metals, certain metals can catalyze oxidation. 4. Air: A large surface area exposed to air, combined with increased atmospheric pressure and higher oxygen concentration per unit volume, intensifies oxidation. 5. Moisture: Excessive water content in the lubricant can compromise the oil film and significantly promote the formation of sludge and varnish deposits. Preventive Measures: From the perspective of lubricant performance additives, it is possible to capture peroxides and remove oxidation byproducts. 1. Adding antioxidant and anti‑gumming agents allows them to react with free radicals, neutralizing their reactivity and thereby inhibiting oxidation. 2. Incorporating antioxidant and anticorrosion additives can decompose peroxides, reducing their concentration and slowing down the oxidation process. 3. Employing detergents and dispersants helps prevent the buildup of carbon deposits, varnish, and sludge within the engine, achieving these effects through cleaning, dispersion, solubilization, and neutralization. By selecting high-quality lubricants formulated with antioxidants, anti‑gumming agents, anticorrosion additives, and detergents and dispersants, you can achieve more effective oxidation resistance and superior circulating cleanliness, thus significantly reducing oxidative degradation. When choosing lubricants, consider these options to enhance operational efficiency and extend the service life of equipment.

2022-04-25

Lubricant Oxidation and Antioxidation

25

2022-04

Driven by innovative technologies, Jinghua is advancing the sustainable development of the lubricant industry.

2022-04-25

20

2022-04

Which is better for bearings: grease lubrication or oil lubrication?

2022-04-20

Which is better for bearings: grease lubrication or oil lubrication?

20

2022-04

The Qizhong Aftermarket Training Team was invited to participate in the “Huashang Lunjian” interview program.

2022-04-20

24

2022-02

August 19, 2021: At the second-phase project of Qizhong Group, a fully automated, unmanned production workshop was completed, with the production line undergoing installation and commissioning. November 5, 2021: Qizhong Group joined the China Automotive Maintenance Industry Association. November 30, 2021: The “Hundred Cities, Hundred Stores” recruitment campaign for Qizhong partners—featuring Manas’ new thinking and new model—was officially launched.

2022-02-24

30

2021-07

Another wave of lubricant price hikes has struck.

Recently, the lubricant industry has been abuzz, with a steady stream of price‑increase announcements. At the start of 2017, major lubricant brands have begun raising prices one after another: Philips 66 is increasing prices by 5%, with the new rates effective February 27; the U.S.-based Citgo brand is hiking prices by 3%–5%, with the new rates taking effect March 1; ExxonMobil is raising prices by 5%, with the new rates in force from February 22; Chevron is increasing prices by 5%, effective March 6; Omni is boosting prices by 5%–8%, with the new rates implemented February 22; the U.S. Cam2 brand is raising prices by 5%–8%, also effective February 22; and Shell is increasing prices by 5%, with the new rates coming into effect February 20.

2021-07-30

16

2021-06

The “Huashang Lunjian” program team embarked on a discovery journey and filmed on location at Liaoning Qizhong.

The “China Business Insights” program team from CCTV’s Discovery Channel visited Liaoning Qizhong for on‑location filming, where Chairman Zhou Yanguo and the entire staff extended a warm welcome to the production crew.

2021-06-16

18

2021-05

Qizhong Service Team Invited to a Brand Dialogue Segment Phase II of the Northeast Production Base Commences Construction Digital Factory Project Launched

2021-05-18

14

2021-05

Awarded certifications from multiple OEMs and API certification Received numerous national patent certificates

2021-05-14

14

2021-05

Established in-depth cooperation with Canada’s Krut Chemical Company. Launched the professional maintenance FD project. Initiated collaborations with domestic OEMs. The Manas brand has successfully entered the national market. Founded Ruiqi 7-Point Training and Management Co., Ltd.

2021-05-14

12

2021-04

Kali Chain Enterprise Management Co., Ltd.

Shenyang Kailin Chain Enterprise Management Co., Ltd. is affiliated with Qizhong Group. Its flagship brand, Kailin Lubricant Professional Quick‑Change Chain Stores, is a specialized automotive service chain that integrates oil changes and maintenance, car washing and detailing, as well as vehicle inspection and quick repairs.

2021-04-12

Kali Chain Enterprise Management Co., Ltd.

16

2021-03

Kami Family Reunion and Awards Ceremony Established a strategic partnership with Qihang Education Group to launch charitable scholarship programs. Launched the corporate monthly magazine “Kami Era.”

2021-03-16

16

2021-03

Held the 6th Anniversary Celebration of Qizhong Group Established Henan Kaliang Chain Enterprise Management Co., Ltd. Became a strategic partner with Liaoning Traffic Radio Station

2021-03-16

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