2012.11.22 In 2012, we were certified as an excellent business operator in the general waste collection and transportation industry. 2012.10.24 We have published the environmental policy in the company profile . 2012.10.17 Updated company profile and business introduction . 2012.09.05 The website has been released. About the flow of recycling PET bottles. About the processing method of confidential data such as HDD, CD / DVD. Introducing your garbage collection vehicle. Introduction of domestic and overseas affiliated factories. 1-31-11 Hiranuma, Nishi-ku, Yokohama 220-0023 TEL: 045-311-2158 / FAX: 045-311-2166 Privacy policy / site map (c) 2012 marukisyokai co.ltd. ALL RIGHTS RESERVED.