Welcome to Sanwa Kasei Kogyo Co., Ltd.

Sanwa Kasei is a blending manufacturer of lubricant oil. Since being established in 1947, Sanwa has devoted itself to its mission to provide high quality lubricants to customers. Such lubricants are important “national products” indispensable in every kind of industry and even for household use. Sanwa Kasei has two plants: the Shin-Tokyo plant in Yokohama , and the Shizuoka plant at the mouth of the Oi river. The latter has giant storage tanks and a dock for receiving base materials, and is particularly suited to large-scale oil manufacturing. The Shin-Tokyo plant is brand new and designed for small lot blending, handling a variety of products. Both plants are operated under a highly advanced quality control system, which enables Sanwa Kasei to supply products with reliable and strictly specified quality. This quality control system has received ISO 9001 and 14001 certification and the approval of JIS, the Defense Agency, and numerous industry experts. The quality requirements for lubricants have been enhanced and diversified to meet the needs of modern technology. Sanwa Kasei continues to meet customers’ needs through ongoing market research, a distinctive quality-conscious philosophy of research and development, and relentless improvements in production technology. The company is also conscious of energy saving technology and environmental protection, and meets strict goals through design and process changes and improvements in efficiency to save materials.


Name of CompanySanwa Kasei Kogyo Co., Ltd.
Date of EstablishmentOctober 31, 1947
Capital50 million yen
12-9 Torihama-cho, Kanazawa-ku, Yokohama-shi, Kanagawa-ken 236-0002 [Google Maps]
Tel.+81-45-778-2331 Fax.+81-45-778-2372

2624-81 Riemon, Yaizu-shi, Shizuoka-ken 421-0212 [Google Maps]
Tel.+81-54-622-2148 Fax.+81-54-622-1583

7F, Toshin 24 Bldg, 2-20-5, Minamisaiwai, Nishi-ku, Yokohama-shi, Kanagawa-ken 220-0005 [Google Maps]
Tel.+81-45-412-3161 Fax.+81-45-412-3160

402 Matsumoto Bldg, 3-2-15, Tanimachi, Chuo-ku, Osaka-shi, Osaka-fu 540-0012 [Google Maps]
Tel.+81-6-6766-4351 Fax.+81-6-6766-4352
RepresentativeMukai Kazuma, President & CEO
BusinessManufacture and sale of various lubricants
Sales of base oil
Analytical testing of petroleum products
Storage and delivery of hazardous materials
Main BanksThe Shoko Chukin Bank, Ltd.
Japan Finance Corporation.
The Bank of Yokohama, Ltd.
Resona Bank, Ltd.
Sumitomo Mitsui Banking Corporation.
MUFG Bank, Ltd
Mizuho Bank, Ltd.
The Shizuoka Bank, Ltd.
The Yokohama Shinkin Bank.


Base OilsParaffnic Base Oil
Naphthenic Base Oil
Aromatic Base Oil
Synthetic Base Oil
AdditivesEngine Oil Additives
Industrial Lubricant Additives and Others
Automotive LubricantsCar Engine Oil
Motorcycle Engine Oil
Two-Cycle Engine Oil
Industrial Lubricants■ General Lubricants
Hydraulic Fluid / Turbine Oil / Slideway Lubricants / Gear Oil / Compressor Oil / Vacuum Pump Oil

■ Metal Working Fluids
Neat Cutting Oil / Water Soluble Cutting Oil / Rolling Oil / Press Oil / Rust Preventive Oil / Metal Surface Processing Agent / Mold Release Agent / Rust Preventive Additive / Cleaner

■ Special Lubricant Oils
Track Water Preventive Agent / Chain Saw Oil / Rubber Extender Oil / Concrete Separation Oil / Thernal Oil


Overview of New Tokyo Factory

Tank for Raw Materials & Products22540kL total
Blending Tank15101kL total
Drum Filling Facility4
18 liter & 20 liter Can Filling Facility3
1 liter Can Filling Facility1
1 liter or less Can Filling Facility1
Outdoor Storage351.5 m²1,700 D/M max.
Indoor Storage200 m²

Overview of Shizuoka Factory

Retroleum Pier1,000 G/t
Tank for Raw Maeterials & Producs174,466 kL total
Blending Tank19233 kL total
Drum Filling Facility3
18 liter & 20 liter Can Filling Facility3
4 liter or less Can Filling Facility1
1 liter Can Filling Facility1
1 liter or less Can Filling Facility1
Outdoor Storage589 m²1,300 D/M max.
Indoor Storage803 m²

Items of Analytical Test Services

DensityNeutralization Number (Acid Number, Base Number)
Flash PointSaponification Number
Distillation TestAniline Point
Kinematic ViscosityRefractive Index
Low Temperature Kinematic ViscosityCopper Corrosion Test
Viscosity IndexRest Proof Performance
Pour PointHumidity Cabinet Test
Cloud PointSalt Spray Test
Water ContentOxidation Stability Test (Internal Combustion Engine)
Micro-ImpurityOxidation Stability Test (RPVOT)
Contaminating ParticleThermal Stability
Precipitation ValueLoad Carrying Capacity
Insoluble MattersFriction Coefficient
FoamingSurface Tension
DemulsibilityICP Metal Analysis
Emulsion StablilityInfrared Spectroscopic Analysis
Nitrogen ContentAsh
Chlorine ContentSulfated Ash
n-d-M Ring AnalysisReaction
Cold-Cranking Simulator