Overview:
Introducing our advanced medium-load industrial closed gear oil, meticulously engineered to satisfy the diverse lubrication needs of closed industrial gear transmission systems under demanding medium-load conditions. This product ensures optimal performance and longevity for all your machinery needs.
Crafted using deeply refined base oils and an exquisite blend of high-quality additives such as extreme pressure, anti-wear, anti-oxygen, anti-corrosion, and anti-rust compounds, our oil is formulated with precision using state-of-the-art scientific processes. This ensures unparalleled protection and efficiency in operations.
Performance features:
Boasting exceptional extreme pressure wear resistance, robust rust and corrosion protection, our oil delivers unmatched comprehensive safeguards for your gears, significantly extending the durability and service life of your equipment.
Exhibiting superior thermal oxidation stability and remarkable anti-emulsification properties, our oil promises an extended operational lifespan, ensuring consistent performance over time.
Product application machinery

Our versatile oil is the preferred choice for gearboxes in a wide array of applications, including reducers, blowers, ball mills, and various other equipment, enhancing efficiency and reliability.
Tailored for closed industrial gear transmission systems with medium loads, our oil excels in relatively mild industrial environments like metallurgy, mining, cement, and electric power sectors, providing reliable lubrication solutions.
Execution standards
GB 5903-2011
Class, specification
Quality class: L-CKC
Available in specifications ranging from 68 to 680, including 68, 100, 220, 320, 460, and 680, catering to diverse industrial requirements.
Available packaging options include 170kg barrels, as well as 18L and 16L containers, ensuring flexible solutions for all your industrial needs.
We proudly offer customizable OEM and ODM services tailored to your specific needs and requirements.
Warm Tips: We are ready to tailor our production to your unique specifications. For inquiries and purchases, please reach out to us!
project |
Product Parameters |
Viscosity Grade |
68 |
100 |
150 |
220 |
320 |
460 |
680 |
Kinematic Viscosity at 40ºC |
68.7 |
99.6 |
152.1 |
218.6 |
323.3 |
465.7 |
684.4 |
Viscosity Index |
97 |
99 |
100 |
102 |
102 |
103 |
104 |
Flash Point (Open ), ºC |
221 |
225 |
228 |
228 |
230 |
231 |
233 |
Pour Point, ºC |
-17 |
-16 |
-13 |
-13 |
-14 |
-12 |
-9 |
Moisture Content, % |
None |
Mechanical Impurities, % |
None |
Demulsibility, at 54ºC (min) |
8 |
/ |
/ |
/ |
/ |
/ |
/ |
Demulsibility, at 82ºC (min) |
/ |
10 |
11 |
13 |
13 |
15 |
16 |
Water in Oil (Volume Fraction) |
1.1 |
1.5 |
1.6 |
1.8 |
1.9 |
1.9 |
1.9 |
Emulsified Layer, mL |
0.7 |
0.7 |
0.8 |
0.9 |
0.9 |
3.6 |
3.8 |
Total Separated Water, mL |
80.0 |
80.0 |
80.0 |
80.0 |
80.0 |
50.0 |
50.0 |
Established in 2002, Jining Power Oil Industry Co., Ltd. is prominently situated in Jining, Shandong, a place rich with cultural heritage as the hometown of Confucius and Mencius. With over two decades of expertise in the lubricating oil sector, we stand as one of China's most influential and expansive lubricating oil production bases.
Equipped with cutting-edge production facilities and automated lines, our annual production capacity impresses at 180,000 tons. Our extensive storage holds 50,000 tons of base oil, within a 25,000 square meter production workshop and 260 oil tanks, ensuring we meet the large-scale, continuous demands of enterprises with ease.
Our diverse product range spans over 230 varieties across 13 major categories, including mining, automotive, industrial lubricating oils, construction machinery lubricants, antifreeze solutions, base oils, and specialized greases. These products are indispensable in industries such as mining, automotive, machinery, metallurgy, electronics, and petroleum processing.
Proud holders of numerous national patents and certifications, our company houses a dynamic R&D team dedicated to constant technological advancement, product formula optimization, and performance enhancement, ensuring that our products consistently lead the industry.
Remaining steadfast in our 'Quality First, Innovation-driven Development' philosophy, we are committed to delivering premium lubricating oil products and services, making significant contributions to advancing the lubricating oil industry.
Qualification Certification


Q1: Are you a trading company or a manufacturer?
A: We are a professional lubricant manufacturer with 23 years of industry experience. Our factory is located in Jining, Shandong, the hometown of Confucius and Mencius in China.
Q2: When is the delivery time?
Answer: The delivery time is about 10 days after the deposit is paid, and the specific delivery time depends on the goods and quantity of the order.
Q3: What are your payment terms?
Answer: According to our sales policy, we require 30% -40% telegraphic transfer in advance, 60% -70% balance should be completed before shipment, we can provide real photos or videos of the goods before the balance is paid.
Q4: What are your delivery terms?
Answer: FOB, CFR, CIF or EXW.
Q5: What is your packaging like?
Answer: Usually 200L metal drums, PE bags, cans, or drums of different sizes. It depends on your product requirements. We do our best to meet customer requirements.
Q6: Can I get some samples from you?
A: Of course, we will provide free samples, but you need to pay for shipping.
Q7: Can you provide ODM or OEM?
Answer: We can do it. In order to meet the requirements of the order, we can cooperate in this way. If necessary, please provide samples, which will assist us in testing.
Q8: How do you control the quality of your products?
Answer: The company has independent laboratories and testing equipment, and has established a strict quality control system. From raw material procurement to finished product delivery, every link is strictly tested and monitored. All products meet or exceed national and industry standards.
Q9: How do you ensure our long-term business relationship?
Answer: We have a professional sales and service team that can provide you with timely and accurate technical support and solutions. Whether you encounter problems during product selection, use, or need to customize special specifications of lubricating oil products, we will serve you wholeheartedly.