无码精品观看,精品久久a v,精品亚洲AV无码专区毛片,天天干视频在线观看视频

ABOUT US

Milestones
About Us Resume of Founder Corporate Structure Contact Us Honorary certificates
Sept 2019
The strategic cooperation between the company and Tsinghua University (School of materials) was officially signed.
Feb 2019
The company won the "2018 leading enterprise of high quality development"
May 2018
The company is recognized as a "high-tech enterprise".
Sept 2017
Through CNAs (National Laboratory Accreditation) expansion, renewal audit.
Aug 2017
Rio Tinto transfers all intellectual property rights, patents and trademarks of Hismelt technology to Meron.
Jul 2017
Pass special equipment manufacturing license (TS) renewal audit.
May 2016
The company's products are awarded the honorary title of "Shandong famous brand".
Jan 2016
The cylinder pipe products of the company have passed the factory approval assessment of BV.
Sept 2015
The company successfully passed the energy management system audit.
Nov 2014
The company's experiment center was officially approved by CNAs (Registration No.: CNAS L7225)
Aug 2013
The 90 ton electric furnace project of the company has been successfully tested.
Jan 2013
Maolong new material technology development Co., Ltd. was completed and put into operation.
Jul 2012
It was selected into the list of 100 key projects of "two districts" of blue and yellow in Shandong Province in 2012.
Jun 2012
The company won the title of "top 100 mechanical industry enterprises of Shandong Province" in 2011.
May 2012
Expert mobile workstation established in cooperation with Northeast University.
Feb 2012
It was awarded the honorary title of Weifang human resources social security integrity demonstration unit in 2011.
Jan 2012
The company was awarded the honorary title of Weifang integrity demonstration enterprise.
Dec 2011
The company's oil well pipe, oil well pump and oil well pumping unit won the title of Shandong famous brand.
Nov 2011
The trademark of the company "Molong group" is recognized as a well-known trademark in China.
Nov 2011
The company has been awarded the honorary title of "China's leading industrial enterprise".
Mar 2011
The company is rated as a class a supplier of seamless fluid pipe by CNPC.
Mar 2011
Has completed the corrosion test of 9Cr anti-corrosion oil well pipe material and the corrosion test of nickel plated sucker rod.
Dec 2010
180 oil special management transformation project officially put into operation.
Oct 2010
Shandong Molong A shares began to be subscribed, with the issuing price of 18 yuan / share.
Aug 2009
Shandong Molong "high steel oil casing project" and "special diameter and high resistance casing project" passed the expert group appraisal.
Jan 2009
Shandong Molong received the notification of winning the bid from China Petroleum Materials Company and won the 88666 ton oil casing order.
May 2008
Shandong Molong imported the most advanced oxygen, nitrogen and hydrogen NCS ONH 2000 gas analyzer from Germany.
Jan 2008
Shandong Molong has completed API certification again. And obtain API certificate.
Feb 2007
The company successfully completed the transition from gem to main board listing (Stock Code: HK568).
Mar 2006
Shandong Molong 250000 tons of oil hot rolling seamless pipe production line has been successfully commissioned.
2005
The company plans to build Baolong new material project with a total investment of 360 million yuan.
Apr 2004
H shares of Shandong Molong Petroleum Machinery Co., Ltd. were officially listed and traded on the gem of Hong Kong stock exchange.
2003
Shandong Molong invested 60 million yuan in the industrial park to build a 60000 ton oil well pipe project.
1999
Shandong Molong has been confirmed as a member of China's petroleum material and equipment export network.
Jan 1996
Meron has passed the ISO9000 quality management system certification and obtained the certification certificate.
1994
Establishment of Shandong Molong Group Corporation.
1992
Shouguang petroleum machinery factory was renamed as Weifang Molong Industrial Corporation.
1991
Shouguang petroleum machinery factory has applied for registration of "Meron trademark".
1987
Set up Shouguang petroleum machinery parts factory, engaged in production and sales of petroleum machinery parts.
日韩无码小电影| 日韩免费福利| 四库影院成人无码精品| 12孩岁女孩在线| 亚洲综合久久成人a片| 久久精品国产亚洲av高清色欲| 久久精品青青大伊人AV| 农村歌舞团表演一区二区| 久久国产乱子伦免费精品无码| 中文字幕无码日韩专区免费| 色又黄又爽18禁免费网站现观看| 久久人妻一区| 亚洲综合国产成人丁香五月激情| 亚洲av无码国产精品色软件| 亚洲日韩中文第一精品| 奇米影视四色中文字幕| 欧美孕妇XXXX做受欧美88| 国产xxxx做受视频| 久久久久99精品成人片我成大片| 色一情一乱一伦一视频免费看| 欧美日本国产VA高清CABAL| 国产精品成人一区二区三区| 亚洲精品久久无码av片软件| 国语对白嫖老妇胖老太| www.国产AV传媒| 国产精品一区二区久久不卡| 久久人人妻人人做人人爽| 亚洲国产成人精品无码区在线网站| 国产欧美日韩久久久久| 波多野结衣的快手视频观看方式| 无码少妇丰满熟妇一区二区| 色欲视频在线观看| 久久人妻网站| 亚洲日韩av一区二区三区中文| 无码人妻av一区二区三区波多野| 国产 精品 无码 综合| 亚洲人成精品久久久久| 人妻人人澡人人添人人爽人人玩| 国产后入又长又硬| 日本精品高清一区二区| 国模吧无码一区二区三区|