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Together with Our Business Partners Sumitomo Forestry works with its business partners to reduce environmental impact and improve their occupational health and safety management.

Quality Control for Timber and Building Materials

Policy & Plans

Sumitomo Forestry Group companies manufacturing wood building materials both within and outside of Japan carry out programs to ensure that their timber and building materials are of the highest quality.


All Sumitomo Forestry Crest Plants have Acquired ISO9001 Certification and Reflect Customer Opinions

All six plants in Japan operated by Sumitomo Forestry Crest Co., Ltd. are integrated with ISO9001.
They maintain systems for improving quality based on the Company President's quality policy and manufacture high quality products while using a strict system of process controls.
Also, they use a quality information management system and work to quickly reflect customer opinions and complaints back to each plant.

Acquiring Public Certification at the Plants of Group Companies Outside of Japan

Sumitomo Forestry Group promotes the acquisition of certification that guarantees timber quality, such as JIS, JAS, and ISO, and is constructing systems to provide high-quality products that customers can use with confidence.

Acquisition of Quality-Related Certification
Group Company Country Type of Certification Date Acquired
Sumitomo Forestry Crest Co., Ltd. Japan ISO9001 March 19991
Sumitomo Forestry Landscaping Co., Ltd
Environmental Greenification Division
Japan ISO9001 September 2002
Sumitomo Forestry Home Engineering Co., Ltd. Japan ISO9001
March 2006
Alpine MDF Industries Pty Ltd.
Australia New JIS certification September 2008
CARB certification2 January 2009
Nelson Pine Industries Ltd. (NPIL) New Zealand JIS certification for fiberboard March 2003
New JIS certification May 2008
CARB certification October 2008
ISO9001 September 2011
PT. Kutai Timber Indonesia (KTI) Indonesia CARB certification November 2009
PT. Rimba Partikel Indonesia (RPI) Indonesia JIS certification March 2007
CARB certification February 2009
PT. Sinar Rimba Pasifik (SRP) Indonesia JAS March 2012
PT. AST Indonesia (AST) Indonesia ISO9001 October 2002
Fuxin Sumirin Wood Products Co., Ltd. China Plywood for general use JAS July 2010
CARB certification August 2010
LVL certification December 2010
Minister-level certification February 2012
  • 1 Acquired first by the Kyushu plant in March 1999 and all other plants subsequently. All plants had acquired integrated certification by 2010.
  • 2 Air pollution regulations in North America.

Future Plans

In fiscal 2012, Sumitomo Forestry Crest carried out quality-improvement initiatives in each of its production divisions to reduce by 25% the number of complaints compared to the previous year. In addition, all plants are developing their ISO9001 certification into a company-wide quality management system.