Ci-4 20W-50 Heavy-Duty Fully Synthetic Anti-Wear Diesel Engine Oil with Stable Oxidation Resistance for Trucks and Construction Machinery
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Product Highlights
- ISO and Industry Certifications: Holds ISO9001, ISO14001, IATF16949, SP-EOLCS, and HSE certificates.
- OEM and ODM Customization: Full-process customization for oil color, viscosity, dropping point, and technical specs.
- High Production Capacity: Annual output exceeds 100,000 tons with 20+ automatic filling lines.
- Advanced R&D Center: Invested over 10 million RMB with 100+ testing devices and 20+ patents.
- Flexible Packaging Options: Standard 2L-200L barrels and customized packaging available upon request.
- Global Export Experience: Exported to over 20 countries with four overseas sales offices since 2020.
- High First-Pass Yield: Advanced DCS control system achieves a first-pass-yield rate above 95%.
- Robust Raw Material Reserve: 15,000-ton base-oil and 2,000-ton additive storage capacity.
Product Attributes
- Customization
- Available
- Additives
- Antioxidants, Anti-Wear Additives, Dispersants, Viscosity Index Improvers
- Application
- Cooling, Lubrication, Rust Prevention, Sealing
- Model NO.
- CI-4 20W-50
- Base Oil Type
- Mineral Oil
- Type
- Engine Oil
- Viscosity Grade
- SAE 20W-50
- Sp Classification
- Ci-4
- Kinematic Viscosity (40°C)
- 18~20 mm²/S
- Flash Point (Open Cup)
- ≥ 230°C
- Pour Point
- ≤ -15°C
- Total Base Number (Tbn)
- 15~17 Mgkoh/G
- Oxidation Stability (1000h, 120°C)
- Acid Number ≤ 2.0 Mgkoh/G
- Transport Package
- Barrels
- Specification
- 18L; 200L
- Trademark
- WITHSTAND
- Origin
- China
- HS Code
- 2710199100
- Production Capacity
- 100, 000barrels
- Package Size
- 47.50cm * 27.50cm * 31.50cm
- Package Gross Weight
- 23.000kg
- Lead Time
-
10 days (1 - 1000 kg)
To be negotiated ( > 1000 kg)
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
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Product Description




Parameter | Specification | Test Method |
Viscosity Grade | SAE 20W-50 | SAE J300 |
SP Classification | CI-4 | SP 1509 |
Kinematic Viscosity (40°C) | 18~20 mm²/s | GB/T 265 |
Flash Point (Open Cup) | ≥ 230°C | GB/T 3536 |
Pour Point | ≤ -15°C | GB/T 3535 |
Total Base Number (TBN) | 15~17 mgKOH/g | GB/T 4945 |
Oxidation Stability (1000h, 120°C) | Acid Number ≤ 2.0 mgKOH/g | GB/T 12581 |








About the Supplier
This supplier has been audited by CTI. Verify the report on the official CTI website with ID "QIP-ASI2651020". Items marked "" are certified.
Company Profile
Jining Denaichi New Energy Co., Ltd. Locates in Wenshang Chemical Park, Jining City, Shandong Province. We are an integrated leading lubricant manufacturer covering lubricant R&D, production, technical service and global sales.
Founded in 2016, our factory covers over 100 mu with more than 100 staff. The completed Phase I project includes one intelligent blending & filling workshop and two automated vertical packaging warehouses, with total construction area of 21, 000 square meters, including 10, 000 square meters production area, 8, 000 square meters storage area and 5, 000 square meters office space.
With years of professional experience in lubricant manufacturing, we own robust storage capacity: 15, 000 tons for base oil, 2, 000 tons for additives and 10, 000 tons for finished lubricants, supporting an annual output of over 100, 000 tons of lubricants and industrial fluids.
We have obtained a full range of authoritative certifications: ISO 9001 Quality Management, ISO 14001 Environmental Management, IATF 16949 Automotive Quality, ISO 45001 Occupational Health & Safety, HSE and Military Products Quality System. All our lubricants are certified by API (American Petroleum Institute).
Our blending workshop adopts world-class full-automatic DCS intelligent control system. Automatic high-precision valves and real-time data sensors realize unmanned, precise blending with full digital monitoring of the whole production flow. The one-time pass rate of blending reaches over 95%, ensuring stable product quality while realizing energy saving and low-carbon production.
We are equipped with over 20 automatic filling lines, supporting flexible filling of 1L, 2L, 4L, 16L, 18L, 200L and 1000L drums and IBC tanks. We can handle mass bulk orders as well as customized lubricant formulas, fully practicing customer-oriented service standards.
We invested over 10 million RMB to build a professional lubricant R&D center equipped with more than 100 sets of advanced testing equipment, covering 8 core product lines: Engine oil, hydraulic oil, transmission oil, gear oil, industrial lubricant, ATF, metalworking fluid and antifreeze. Our technical team has over 10 professional engineers, holding more than 20 invention patents, many of which won municipal, provincial and national innovation awards, forming solid technical advantages.
We own two independent brands: Dayu and Weinaili. Our product portfolio contains 7 major series with more than 1, 000 specifications, including construction machinery lubricants, commercial vehicle diesel oil, gasoline engine oil, industrial lubricants, specialty oils, cutting fluids and antifreeze coolants.
Upholding the tenet "Develop by Technology, Survive by Quality", we maintain long-term global strategic cooperation with top raw material suppliers: Afton, Infineum, S-Oil and Taiwan China Shell. Domestically, we cooperate closely with Sinopec, PetroChina, XCMG, Shaanxi Automobile, North Benz Heavy Truck, Yankuang Group and other large industrial groups. We provide customized lubrication solutions to help clients reduce operating costs and improve overall efficiency.
We stepped into overseas markets in 2020. Up to now, our products are exported to more than 20 countries and regions. We have set up four overseas stocking warehouses in Russia, South Africa, Kazakhstan and Singapore to shorten delivery cycles for global buyers. Our Phase II expansion project is under steady preparation to lift production capacity further.
Looking forward, Denaichi sticks to the core mission "Quality First, Lubricate the World". Supported by intelligent workshops and mature lubrication technology, we will keep supplying reliable, cost-effective lubricants and professional after-sales service worldwide, and strive for greater development with our self-owned well-known lubricant brands.
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- Jining, Shandong, China
-
Plant Area
- 31740 square meters
-
Number of Employees
- 56
-
Registered Capital
- 60,000,000 RMB
-
Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Small-amount payment
-
International Commercial Terms(Incoterms)
- EXW, CFR, CIF, FOB
-
Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays -
Nearest Port
- Qindao Port
-
Minimum Order Quantity
- 1
-
Supply Chain Partners
- 2
Our Production Capability & Technical Expertise
-
Main Products
- Lubricating oil
-
Production Lines
- 1
-
Production Machines
- Storage tank, Reconciliation tank, Filling machine
-
QA/QC inspectors
- 3 people
-
Inspection Type for Finished Products
- 100% inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Have instructions and uniformly followed
-
Customization Options
- Customization from Samples, Customization from Designs, Full Customization, Minor Customization, Flexible customization
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 1 people
-
Traceability of Raw Materials
- Yes
-
Test Reports for Raw Materials
- Others
-
Own Brand
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2019-04-30
-
Export Year
- 6 Years
-
Main Markets
- Africa, Domestic
-
Repeat Buyers Choice
- 80%~100%
-
Number of Foreign Trading Staff
- 6
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- Yes
Our Certifications, Standards & Industry Recognition
-
Management System Certification
- ISO9001:2015, ISO45001:2018, ISO14001, Others
-
Product Certification
- Others
-
Cooperated with Fortune 500
- No
FAQ
- Are you a manufacturer or trading company?
- We are a professional lubricant manufacturer with 20 years of industry experience. Our factory is situated at the Provincial Chemical Industrial Park in Wenshang County, Shandong Province, adjacent to the Zhongyuan Oilfield industrial zone, with complete production lines and testing laboratories.
- What is your order lead time (L/T)?
- For full-container orders, the production and delivery cycle is about 10 working days after receiving your deposit. The lead time for small bulk orders can be negotiated separately.
- What payment terms do you accept?
- Our standard payment term is T/T remittance: 70% deposit paid in advance, and the remaining 30% balance to be settled prior to shipment. We can provide real product photos, workshop production videos and stock photos for your verification before you settle the balance.
- Which international delivery terms can you offer?
- We can flexibly provide EXW, FOB, CFR and CIF trade terms tailored to customers' demands, and fully cooperate with freight forwarders to complete export procedures.
- What packaging options are available for lubricants?
- We supply standard barrels of 2L/4L/18L/200L, and customized packaging including appearance, labels and capacities is available upon clients' requests.
- Can I apply for product samples for testing?
- Samples are provided free of charge, while international shipping fees shall be borne by the buyer. You can inform us in advance if you need multiple types of samples.
- Do you support OEM & ODM customization services?
- We offer full-process OEM and ODM customization services. Please inform us of your detailed requirements including oil color, viscosity, dropping point and all technical specifications. You may send reference samples to our laboratory, and our engineers will complete formula adjustment and testing matching.
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