Overview:
Our meticulously formulated transformer oil is a specialized functional oil designed for superior insulation and efficient heat dissipation in critical electrical equipment, including transformers. Engineered to meet the demanding needs of modern power applications, this oil is a cornerstone for operational excellence.
This premium product is crafted from base oil that has been meticulously refined through a special process and is enhanced with carefully selected antioxidants,and is scientifically prepared to ensure unparalleled performance and reliability.
Performance Features:
- Exceptional insulation properties ensure optimal performance.
- Remarkable oxidation stability, extending oil life and efficiency.
- Outstanding cooling capabilities for enhanced operational safety and efficiency.
Product application machinery

Our transformer oil is perfectly suitable for transformers up to 330KV and other electrical equipment with comparable requirements, ensuring reliable performance and protection.
Implementation Standards:
Conforms to GB 2635-2011, ensuring high-quality standards.
Grade Specifications:
Available in specifications: 25, 45, catering to diverse needs.
Available packaging forms: 170kg, 18L, 16L, offering convenience and flexibility.
We provide comprehensive OEM and ODM customization services to cater to specific client needs.
Reminder: Our products can be tailored to meet your precise requirements.
For purchases and inquiries, please feel free to contact us at your convenience!
project |
product parameters |
|
25 |
45 |
appearance |
transparent |
transparent |
Kinematic viscosity, 40 °C, mm²/s |
12 |
10 |
Pour point, ºC |
-30 |
|
Freezing point, °C |
|
-48 |
Density, 20 °C, kg/m³ |
835 |
836 |
Flash point (open), °C |
145 |
155 |
Acid value, calculated as KOH, mg/g. |
0.001 |
0.003 |
Moisture content (mg/kg), % |
25/40 |
25/40 |
Copper strip corrosion, 100°C, 3 hours, grade. |
1b |
1a |
Founded in 2002, Jining Power Oil Industry Co., Ltd., located in Jining, Shandong, the renowned hometown of Confucius and Mencius, has thrived in the lubricating oil industry for over 23 years. As a significant player in the industry, our expansive production base has earned a considerable reputation for quality and influence throughout China.
Our state-of-the-art domestic production equipment and fully automated production lines boast an impressive annual capacity of 180,000 tons. With 50,000 tons of base oil storage and a sprawling 25,000 square meter production workshop housing 260 oil tanks, we are well-equipped to satisfy the expansive and continuous demands of enterprises.
Holding numerous national patents and qualifications, our dedicated R&D team relentlessly pursues technological innovation, optimizing product formulations and performance. This commitment ensures our products consistently remain at the forefront of the industry.
Equipped with independent laboratories and testing facilities, our stringent quality control system oversees every step from raw material procurement to final product delivery. Every product undergoes meticulous inspection, fully complying with or surpassing national and industry standards.


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: What's the delivery time?
A: The delivery time is approximately 10 days after the down payment is made. The specific delivery time depends on the products and quantities of the order.
Q3: What are your payment terms?
A: According to our sales policy, we require a 30% - 40% telegraphic transfer in advance, and 60% - 70% of the 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?
A: FOB, CFR, CIF or EXW.
Q5: What's your packaging like?
A: Usually, it's in 200L metal drums, PE bags, cans, or drums of different sizes. It depends on your product requirements. We'll do our best to meet customers' requirements.
Q6: Can I get some samples from you?
A: Certainly. We'll provide free samples, but you need to pay for the freight.
Q7: Can you provide ODM or OEM?
A: We can. We can cooperate in this way to meet the requirements of the order. If necessary, please provide samples, which will help us conduct tests.
Q8: How do you control the product quality?
A: The company has independent laboratories and testing equipment and has established a strict quality control system. From the procurement of raw materials to the delivery of finished products, strict inspections and monitoring are carried out at every stage. All products meet or exceed national and industry standards.
Q9: How do you ensure our long-term business relationship?
A: We have a professional sales and service team that can provide you with timely and accurate technical support and solutions. Whether you have problems in product selection, during the use process, or need to customize lubricant products with special specifications, we will serve you wholeheartedly.