The strategic cooperation between the company and Tsinghua University (School of materials) was officially signed.

The company won the "2018 leading enterprise of high quality development"

The company is recognized as a "high-tech enterprise".

Through CNAs (National Laboratory Accreditation) expansion, renewal audit.

Rio Tinto transfers all intellectual property rights, patents and trademarks of Hismelt technology to Meron.

Pass special equipment manufacturing license (TS) renewal audit.

The company's products are awarded the honorary title of "Shandong famous brand".

The company has successfully passed the API certificate renewal audit.

The cylinder pipe products of the company have passed the factory approval assessment of BV.

The company successfully passed the energy management system audit.

The company's experiment center was officially approved by CNAs (Registration No.: CNAS L7225)

The 90 ton electric furnace project of the company has been successfully tested.

Maolong new material technology development Co., Ltd. was completed and put into operation.

It was selected into the list of 100 key projects of "two districts" of blue and yellow in Shandong Province in 2012.

The company won the title of "top 100 mechanical industry enterprises of Shandong Province" in 2011.

Expert mobile workstation established in cooperation with Northeast University.

It was awarded the honorary title of Weifang human resources social security integrity demonstration unit in 2011.

The company was awarded the honorary title of Weifang integrity demonstration enterprise.

The company's oil well pipe, oil well pump and oil well pumping unit won the title of Shandong famous brand.

The trademark of the company "Molong group" is recognized as a well-known trademark in China.

The company has been awarded the honorary title of "China's leading industrial enterprise".

The company is rated as a class a supplier of seamless fluid pipe by CNPC.

Has completed the corrosion test of 9Cr anti-corrosion oil well pipe material and the corrosion test of nickel plated sucker rod.

180 oil special management transformation project officially put into operation.

Shandong Molong A shares began to be subscribed, with the issuing price of 18 yuan / share.

Shandong Molong "high steel oil casing project" and "special diameter and high resistance casing project" passed the expert group appraisal.

Shandong Molong received the notification of winning the bid from China Petroleum Materials Company and won the 88666 ton oil casing order.

Shandong Molong held a grand foundation ceremony for the 180 oil special pipe transformation project.

Shandong Molong imported the most advanced oxygen, nitrogen and hydrogen NCS ONH 2000 gas analyzer from Germany.

Shandong Molong has completed API certification again. And obtain API certificate.

The company successfully completed the transition from gem to main board listing (Stock Code: HK568).

Shandong Molong 250000 tons of oil hot rolling seamless pipe production line has been successfully commissioned.

The company plans to build Baolong new material project with a total investment of 360 million yuan.

H shares of Shandong Molong Petroleum Machinery Co., Ltd. were officially listed and traded on the gem of Hong Kong stock exchange.

Shandong Molong invested 60 million yuan in the industrial park to build a 60000 ton oil well pipe project.

The company's leading products have passed API certification of American Petroleum Institute.

Shandong Molong has been confirmed as a member of China's petroleum material and equipment export network.

Meron has passed the ISO9000 quality management system certification and obtained the certification certificate.

Establishment of Shandong Molong Group Corporation.

Shouguang petroleum machinery factory was renamed as Weifang Molong Industrial Corporation.

Shouguang petroleum machinery factory has applied for registration of "Meron trademark".

Set up Shouguang petroleum machinery parts factory, engaged in production and sales of petroleum machinery parts.