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Maruzen Petrochemical Co., Ltd.
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Maruzen Chemical Trading Co., Ltd.
<Head office>
25-10, Hatchobori 2-chome, Chuo-ku, Tokyo 104-0032
Tel: 03-3551-1450, fax: 03-3551-1426

<Osaka sales office>
5F Awaji-machi Dai-biru Building, 3-1-9 Awaji-machi, Chuo-ku, Osaka 541-0047
Tel: 06-6221-4881, fax: 06-6202-6818
* Founded March 5, 1969
* Capital 200 million yen(100% capital investment by the company)
* Business purpose
 
1. Sale, import and export of petrochemical products, precision chemical products, packaging materials and various other products
2. Marine and overland transport of petrochemical products
3. Nonlife insurance sales agency operations
History
Mar. 1969   Establishment as Maruka Kogyo primarily for insurance sales agency operations (capital: 2.5 million yen)
April 1976   Launch of sales and handling petrochemical product
Nov. 1985   Name changed to Maruzen Chemical Trading Co., Ltd.
Mar. 1986   Launch of Chiba sales office operations
July 1987   Launch of coastal transport operations
Nov. 1992   Increase in capital to 200 million yen
Mar. 2001   Separation of Chiba sales office (establishment of Maruzen Techno-Service Co., Ltd.)

Chiba Butadiene Industry Co., Ltd.

25-10, Hatchobori 2-chome, Chuo-ku, Tokyo 104-0032
Tel: 03-3552-9374

* Founded August 23, 1969
* Capital 490 million yen (50% capital investment by the company)
* Business purpose
 
1. Production and sale of butadiene and by-products
History
Aug. 1969   Established with 50:50 capital sharing with Ube Industries, Ltd. (capital: 500 million yen)
Jan. 1971   Butadiene extraction equipment, launch of commercial operations
Jan. 1994   Completion of No.2 butadiene extraction equipment

Goi Chemical Co., Ltd.
14 Goi Minami-Kaigan, Ichihara City, Chiba 290-0045
Tel: 0436-22-6091, fax: 0436-22-2888
* Founded October 9, 1972
* Capital 50 million yen(50% capital investment by the company)
* Business purpose
 
1. Production and sale of organic chemical products
History
Oct. 1972   Establishment with 50:50 capital sharing by Maruzen Oil Co., Ltd. and Hitachi Chemical Co., Ltd. (capital 20 million yen)
Sept. 1973   Increase in capital to 50 million yen
Nov. 1973   Launch of business operations
Sept. 1982   Transfer of alkylphenol sales by Maruzen Oil Co., Ltd. to the company
Dec. 1984   Transfer of stock by Maruzen Oil Co., Ltd. to the company

Maruzen Techno-Service Co., Ltd.
<Head office>
3 Goi Minami-Kaigan, Ichihara City, Chiba 290-8503
Tel: 0436-22-8455, fax: 0436-22-8180
* Founded March 1, 2001
* Capital 50 million yen
* Business purpose
 
1. Design, construction, maintenance and management of equipment, pipe systems, civil engineering projects, landscaping, air conditioning, measurement instrumentation, electrical facilities, etc.
2. Sales of valves, pipes, pipe joints, steel material, packing, containers, etc.
3. Management and operation of chemical and petrochemical production equipment
4. Transport and treatment of industrial waste
5. General temporary laborer dispatch operations
History
March 2001   Established with 100% capital investment by Maruzen Chemical Trading Co., Ltd.
April 2001   Launch of business operations
July 2001   Acquisition of general construction business license
Aug. 2001   Acquisition of general laborer dispatch operation license

Keiyo Ethylene Co., Ltd.
25-10, Hatchobori 2-chome, Chuo-ku, Tokyo 104-0032
Tel: 03-3552-9373
* Founded September 11, 1991
* Capital 6.0 billion yen (55% capital investment by the company)
* Business purpose
 
1. Production, processing and sale of ethylene, propylene and other basic petrochemical products
History
Sept. 1991   Established (capital: 3.0 billion yen)
Dec. 1994   Launch of operations
Dec. 1995   Increase in capital to 6.0 billion yen through capital investment by Sumitomo Chemical Co., Ltd. and Mitsui Chemicals, Inc.

Keiyo Monomer Co., Ltd.
11-6 Goi Minami-Kaigan, Ichihara City, Chiba 290-0045
Tel: 0436-24-8535, fax: 0436-24-8529
* Founded June 22, 1993
* Capital 2.4 billion yen (18.75% capital investment by the company)
* Business purpose
 
1. Production and sale of vinyl chloride monomers
History
June 1993   Establishment as a joint venture by the company and Asahi Glass Co., Ltd.
Mar. 1995   Launch of business operations
July 1995   Increase in capital to 2.4 billion yen through capital investment by Kureha Chemical Industry Co., Ltd.

Keiyo Polyethylene Co., Ltd.
<Home office>
7F Nihonbashi 313 Building, 13-5 Nihonbashi 3-chome, Chuo-ku, Tokyo 103-0027
Tel: 03-3246-6991, tax: 03-3246-6993

<Osaka sales office>
5F Awaji-machi Dai-biru Building, 1-9 Awaji-machi 3-chome, Chuo-ku, Osaka 541-0047
Tel: 06-6205-0851, fax: 06-6205-0856
* Founded August 7, 1997
* Capital 480 million yen
* Business purpose
 
1. Sale of high-density polyethylene (domestic and export)
History
Aug. 1997   Established with 50:50 capital sharing by Maruzen Polymer Co., Ltd., and Chisso Petrochemical Corporation (capital: 480 million yen)
Oct. 1997   Launch of business operations

Ube Maruzen Polyethylene Co., Ltd.
1-2-1 Shibaura, Minato-ku, Tokyo 105-0023
Tel: 03-5418-6164
* Founded October 1, 2004
* Capital 490 million yen (50% investment by the company)
* Business purpose
 
1. Product and sale of low density polyethylene
History
Oct. 2004   Established as a joint venture of the company and Ube Industries, Ltd., through the spin-off of Ube Industries' low density polyethylene operations

CM Aroma Co., Ltd.
1-1-1 Shibaura, Minato-Ku, Tokyo 108-8528
Tel. 03-3798-3262
* Founded April 1, 2005
* Capital 100 million yen (35% capital investment by the company)
* Business purpose
 
1. Production and sale of mixed xylene
History
April 2005   Established as a joint venture by Cosmo Oil Co., Ltd., and the company
July 2005   Launch of business operations

Sunplac Corporation Web Site
<Head office>
25-10, Hatchobori 2-chome, Chuo-ku, Tokyo 104-0032
Tel: 03-3552-4375, fax: 03-3552-4372

<Plant>
2381 Kamisatomachi Shichihongi Kodama-gun, Saitama 369-0306
Tel: 0495-33-7725, fax: 0495-33-7726
* Founded November 1, 1979
* Capital 50 million yen
* Business purpose
 
1. Production and sale of inorganic blended polyolefin and plastic products
2. All operations incidental to the above.
History
Nov. 1979   Established through total capital investment by Nissan Chemical Industries, Ltd. (capital: 50 million yen)
June 1986   Wholly-owned affiliate of Nissan Maruzen Polyethylene Co., Ltd. through transfer of management rights by Nissan Chemical Industries, Ltd.
Jan. 1991   Wholly-owned affiliate of Maruzen Polymer Co., Ltd., through name change of parent organization
Aug. 1994   Establishment of integrated structure for multi-film production and sale

Maruzen America, Inc.
Three Riverway, Suite 800, Houston, Texas 77056, USA
Tel: +1-713-966-5790, fax: +1-713-572-2285
* Founded July 8, 1986
* Capital $200,000 (100% capital investment by the company)
* Business purpose
 
1. Collection of chemical technology information in the U.S.
2. Market development for the company's export products and sales technology service agency operations
 



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