Engineered to withstand extreme environments, improve machinery efficiency, and reduce operations downtime globally.
In modern heavy industries, food production, and medical installations, air quality is not just a parameter of performance—it is a critical safety criterion. The transition toward oilless air compressor packages represents a massive shift aimed at removing hydrocarbon contamination from compressed air lines completely. Standard oil-lubricated compressors run the permanent risk of oil aerosol carryover, which ruins delicate downstream processes, contaminates packaging, and triggers system shut-downs.
Shandong Longhai Lubrication Technology Development Co., Ltd., leveraging over 15 years of industry-leading tribology and fluid engineering experience, plays a pivotal role in this technical landscape. While oilless compressors remove lubricating fluid from the compression chamber itself, the gearboxes, rotary shafts, variable speed couplings, and heavy-duty auxiliary bearings still demand the ultimate precision lubrication to prevent structural breakdown. By engineering high-purity synthetic wear-resistant lubricants, Longhai delivers the operational foundation that ensures dry air compression systems run smoothly without thermal buildup or mechanical fatigue.
Exploring the engineering milestones driving the zero-contamination, ultra-efficient compressor platforms of tomorrow.
Next-gen oil-free units depend on advanced composite rotor coatings (such as PTFE and PEEK) paired with carbon dust seal rings. These self-lubricating synthetic compounds reduce friction metrics without releasing any hydrocarbon particles into the gas flow channel.
Water-injected oil-free compressors utilize pure water as both a natural coolant and sealant within the compression chamber. This provides near-isothermal compression, resulting in higher air outputs and reduced energy usage compared to traditional dry scroll models.
Smart oilless machines feature edge computing nodes that monitor thermal signatures, vibration profiles, and seal degradation rates in real time. Continuous diagnostics prevent unexpected failure, ensuring 99.99% operational uptime.
Delivering Class 0 certified air and ultimate reliability systems across demanding industrial sectors.
In sterile environments, even a micro-drop of oil contamination can degrade drugs and compromise medical procedures. Our oil-free compressed air integrations satisfy stringent ISO 8573-1 Class 0 parameters, keeping life-saving systems entirely pure.
Product contact points during packaging, aeration, and ingredient handling demand oil-free operation to prevent expensive product recalls. Pure oil-free machinery ensures compliance with global safety standards and keeps consumer food untainted.
Semiconductor manufacturing cleanrooms require particulate-free systems. Any volatile organic compounds (VOCs) originating from compressor oils can ruin wafer production yields. Oil-free technologies eliminate chemical outgassing during production cycles.
Shandong Longhai Lubrication Technology Development Co., Ltd. was established in 2009 and is headquartered in Zibo, Shandong. It is a high-tech enterprise integrating R&D, production and sales. The company has been deeply involved in the lubricant industry for more than 15 years, has built a complete industrial chain system, and is committed to providing high-quality lubrication solutions for the global industrial and transportation fields.
As a reliable lubricant manufacturer in the industry, Longhai Technology owns its own brand "Century Longhai" and the international strategic cooperation brand British "A Ba" series of products. The products cover diesel engine oil, gasoline engine oil, gear oil, hydraulic transmission oil, anti-wear hydraulic oil, special engine oil for engineering machinery, special oil for natural gas, full synthetic oil, automotive urea solution, antifreeze, special engine oil for motorcycles, industrial oil, automatic transmission oil and many other lubricant varieties. The brand is insured by PICC China People's Insurance Company and quality insurance.
Combining automated material processing and strict quality control protocols for consistent production output.
Longhai Technology has always insisted on innovation-driven development. Its annual R&D investment accounts for more than 5% of its annual revenue. It has established strategic cooperation with many universities and scientific research institutions to continuously optimize lubrication technology and promote industry progress. At present, the company's production base covers an area of 131 acres, with an annual production capacity of 200,000 tons. It is equipped with intelligent production lines and precision laboratories to meet the customized needs of different customers.
The company has advanced blending and fully automatic production and filling equipment. The filling production line adopts the principle of metering filling, which is suitable for filling various lubricating oils and ensures the filling accuracy of 1‰-2‰. While ensuring the filling accuracy, it increases the filling speed by 20%-35%, effectively increases the work efficiency, and realizes the standardized production of the enterprise. It guarantees the delivery speed and quality of our company to a great extent.
In terms of market layout, Longhai Technology has built a sales network covering the whole country. Its products are sold well in 139 cities in 29 provinces, autonomous regions, municipalities and special administrative regions, and are exported to overseas markets, winning the trust of many leading companies in the industry.
Quality and reliability verified by international auditing organizations and specialized engineering bodies.








The company has passed ISO-9001-2015 quality system certification, 14001 environmental management system certification, 18001 health management system certification. Automatic transmission Mercedes-Benz certification has laid the foundation for the healthy development of the company and the stability of product quality. The company strictly follows international standards and introduces foreign production processes and testing technologies to ensure that the products can still perform excellently under extreme working conditions, helping customers improve equipment efficiency and reduce maintenance costs.
Our facility maintains active compliance audits and runs an in-house laboratory equipped for high-performance chemical analysis, density checks, viscosity index profiling, and flashpoint verification. This prevents deviation during continuous high-speed automated production runs.
Providing specialized formulations, packaging designs, and international compliance paperwork for customized machinery fluids.
We design fully synthetic and semi-synthetic lubricant formulations tailored to specific vehicle/equipment requirements, ambient climatic conditions, or regional market positioning to meet international standards such as API/ACEA.
We support everything from small-scale trial batches for test-marketing up to large-scale continuous runs. Our product line covers passenger vehicle engine oils, heavy gear oils, industrial hydraulic fluids, and custom filling options.
Certified by ISO 9001, IATF 16949, and environmental agencies, we supply complete product data sheets (PDS), safety data sheets (SDS), and third-party inspection reports for trouble-free import customs clearance.
We offer custom industrial container packaging design, label design, barcode registry, and complete technical document translations to help you build a premium brand image in your home market.
Building long-term industrial value through continuous innovation, quality manufacturing, and a customer-first philosophy.
Equipped with intelligent production lines and precision laboratories to meet the customized needs of different customers.
The company has passed ISO-9001-2015 quality system certification, 14001 environmental management system certification, and 18001 health management system certification.
Products are character, quality is life, customer first, honest and pragmatic service tenet.
Dare to explore, innovate continuously, survive by quality, and promote development by efficiency.
An integrated, five-step workflow designed to streamline project consulting, quality testing, and container logistics.
Demand Analysis

Formula Development

Sample Testing

Production & Delivery

After-Sales Support

Technical answers to common questions about oil-free air compressors and high-performance lubrication support.
Touring our precision laboratories, quality testing stations, and smart manufacturing facilities.
Continuous monitoring, micro-metering accuracy, and automated filling ensure stable lubricant manufacturing.
Explore our targeted product range below, including high-performance air compressor oils, hydraulic fluids, and gear lubricants.
The company always adheres to the management policy of "planning big strategies, focusing on technology, creating high quality, and keeping reputation", vigorously promotes the pioneering and enterprising spirit, strives to implement talent-driven factories, optimizes management, actively promotes various reforms, improves corporate quality, and successfully breaks out a path of corporate innovation and development.
Our corporate philosophy is "dare to explore, innovate continuously, survive by quality, and promote development by efficiency". We will continue to occupy the market with quality and price, drive the market with outstanding talents, drive the market with scientific innovation, and promote the market with brand advertising. Products are character, quality is life, customer first, honest and pragmatic service tenet. In the future, the company will continue to use technological innovation as the engine and sustainable development as the cornerstone, and work with global partners to lubricate the future together!