Refinery Overview

Kawasaki Refinery

The Kawasaki Refinery is located in the Keihin coastal region, a convenient area for land and marine transport adjacent to the Tokyo metropolitan area, Japan's largest consumer market. Situated on the same site as Tonen Chemical Corporation, an importer and manufacturer of petrochemical products, this modern refinery is organically linked to the ethylene production and other facilities of the Tonen Chemical plant, enabling mutual product supply, sharing of facilities and organizational integration for a highly efficient production system.

Address 7-1, Ukishima-cho, Kawasaki-ku, Kawasaki-shi, Kanagawa
Telephone 044-288-8301
Commenced Operations Tonengeneral: 1960, Tonen Chemical: 1962
Area 2,050,000 square meters
Crude oil processing capacity 258,000 barrels per day

Sakai Refinery

Sakai Refinery is situated in the center of the coastal area of Sakai City, which adjoins the southern part of the Osaka metropolitan area, a large consumer market in western Japan. With the introduction of the first bottom loading system in Japan at its shipping terminal, the largest in western Japan, the refinery has enhanced its environmental protection and safety efforts as well as expediting its loading operations. The energy efficiency of Sakai Refinery is also among the best in Japan. The refinery's favorable location, along with its environmentally sound, safe and efficient facilities, contribute significantly to its competitiveness.

Address 1, Chikko Hamadera-cho, Nishi-ku, Sakai-shi, Osaka
Telephone 072-269-2011
Commenced Operations 1965
Area 770,000 square meters
Crude oil processing capacity 156,000 barrels per day

Wakayama Refinery

Wakayama Refinery, located in a quiet residential district on the Pacific coast adjacent to bountiful fishing waters in a region known for its production of Arida mandarin oranges, conducts its operations with the greatest attention to safety and environmental protection. With a long history of over 70 years, the refinery is an integrated production center for gasoline and other commonly-used fuels, as well as aviation gasoline, automotive test fuels, lubricants and chemical feedstocks including benzene, toluene and xylene.

Address 1000, Hama, Hatsushima-cho, Arida-shi, Wakayama
Telephone 0737-85-1010
Commenced Operations 1941
Area 2,480,000 square meters
Crude oil processing capacity 132,000 barrels per day

Chiba Refinery

The Chiba refinery is located in the center of the Keiyo coastal industrial area in the Kanto region, Japan’s largest consumer market, and maintains efficient operations through alliances with adjacent refineries and chemical plants of industry partners. The refinery has the Group’s only RFCC (resid fluid catalytic cracker) and MPHC (mild pressure hydro cracker), and is one of our most important export bases.
The Chiba refinery of the former Kyokuto Petroleum Industries, Ltd., became the Chiba refinery of TonenGeneral Sekiyu K.K. on July 1, 2015.

Address 1, Chigusa-kaigan, Ichihara-shi, Chiba
Telephone 0436-23-9580
Commenced Operations 1968
Area 1,440,000 square meters
Crude oil processing capacity 152,000 barrels per day