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In 1999 the establishment of the Jiaozhou Lianyou mould Co. Ltd.
Established in 2001 Aoshima Hiroji Plastics Machinery Co. Ltd.
Founded in 2002 in Jiaozhou city and cha Ming Machinery Factory
In May 2003 the establishment of the Qingdao Chang Machinery Co. Ltd.
In 2004 through the ISO9001:2000 quality management system certification
Established in January 2008, Qingdao Jingda Plastic Machinery Co. Ltd.
In 2009 through the ISO/TS16949:2009 quality management system certification
In 2009 through the ISO14001:2004 environmental management system certification
In 2009 through the ISO9001:2008 quality management system certification
Qingdao Zhang's real estate Co., Ltd. was founded in November 2010
Qingdao Zhang's Group Co., Ltd. was founded in November 2010.
Qingdao high tech enterprise qualification in 2011