◆ 1989, "ZB4-500 electric oil pump", "YC60 jack" and "YZ85 jack" passed the expert appraisal organized by Liuzhou motor bureau.
◆ 1990, "OVM Anchoring System" and "YCW Series Jack" passed the expert appraisal organized by Guangxi Economic and Trade Commission. In the same year, "FM7 Prestressed Anchorage" passed the expert appraisal organized by Liuzhou Economic Commission, and "On-site Rock Mass Test Loading System Development" passed the expert appraisal organized by Institute of Northeast Survey and Design Institute.
◆ 199 1 year, GZ5 steel cone anchor (Freund's anchor), DM5 upsetting anchor, YDG400 jack, YSD(YD) jack and YQL-600 jack passed the expert appraisal organized by Guangxi Economic and Trade Commission.
◆ 1992, "ZB 10/320-4/800B high-pressure electric oil pump" passed the expert appraisal organized by Liuzhou science and technology commission, and "prestressed metal bellows" passed the expert appraisal organized by Guangxi science and technology commission.
◆ 1993, "DM7 upsetting anchorage" passed the expert appraisal organized by Guangxi Economic and Trade Commission.
◆ 1995, "OVM200 cable system" passed the expert appraisal organized by Guangxi Construction Committee.
◆ 1995, the enterprise passed the quality certification of China Import and Export Quality Certification Center (CQC)ISO900 1- 1994.
◆ 1996, the enterprise passed the British Standards Institute (BSI) ISO900 1- 1994 certification.
◆ 1996, the technical center of OVM company was recognized as a national enterprise technical center.
◆ 1997, "Parallel steel strand of Shantou Zhu Shi Bridge" passed the expert appraisal.
◆ 1998, "Cable tensioning and box girder hoisting equipment of suspension bridge" passed the expert appraisal organized by Guangxi Science and Technology Commission.
◆ In 2000, (a) the anchorage system, series of light jacks, prestressed anchorage system of suspension bridge anchorage, external prestressed materials and systems and other projects passed the expert appraisal, and were organized by Guangxi Economic and Trade Commission.
◆ At the beginning of 2000, OVM Company handled the product quality commercial insurance.
◆ At the beginning of 38+0, 2006,540, the State Economic and Trade Commission and other departments organized an "Enterprise Technology Innovation Fellowship" led by Xiang Academician and composed of Zheng Junlian, Hu Zhenghuan, Guo Chongqing and Ge Xiurun, and invited experts such as Tao, Peng, Zhuang and Wu Genmao to carry out consultation and evaluation activities in the company.
◆200 1, "Tongji OVM Prestressing Research Center" was established in Tongji University, Shanghai.
◆ In 20065438+0, the enterprise obtained the ISO900 1-2000 quality certification of CQC and BSI.
◆ In 2002, academicians and experts from Sun Jun, Qian Qihu, Chen Zhaoyuan, Song Zhenqi, Wang Sijing and Zhu Weishen went to OVM Company to carry out "Academician Consultation" activities.
◆ In 2002, the "Postdoctoral Research Center" established by the Ministry of Personnel and other departments settled in OVM Company.
◆ June 5438+October 2002/kloc-0, Liuzhou ouweim machinery co., ltd was established.
◆ By 2002, the company had obtained 180 patents.
◆ In April 2003, OVM Vacuum-assisted Grouting System passed the expert appraisal organized by the Municipal Economic and Trade Commission.
On 2004 1 month 1 day, Liuzhou Ouweim Machinery Co., Ltd. was formally established.
◆ On April, 2004 10, four projects, namely OVM250 cable system, OVMLZM arch bridge suspender system, LSD hydraulic lifting system and new external prestressing system with single cable replacement, passed expert appraisal. ◆ In April 2004, the National Torch Plan "Prestressed Anchorage System of Suspension Bridge Anchorage" passed the acceptance.
◆ On the morning of May 20th, 2004, the awarding ceremony of the first Ovem Prestressing Technology Award of China Science and Technology Development Foundation was held in the Great Hall of the People.
◆ On July, 2005 12, the anchoring system for OVM nuclear industry construction passed the expert review.
◆ At the beginning of August 2005, the company obtained the product quality certification certificate issued by China Railway Certification Center (CRCC).
◆ In August, 2005, ZH mortar, cable system of Ovmat low-pylon cable-stayed bridge and real-time monitoring prestressed anchorage system of replaceable suspension bridge passed expert appraisal.
◆ In August 2006, the first phase of the new cable factory located in Yangxin Industrial Zone of Liuzhou City was completed and put into operation.