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Obtained GreenFactory Certification, Green Supply Chain Certification and Product Carbon Footprint
Compliance Certification.

Accredited as National IP-(IntellectualProperty) Model Enterprise.

Accredited as High-tech Enterprise by Shandong Provincial Department of Scienceand Technology,Shandong
Provincial Department of Finance and Shandong Office,State Taxation Administration.

The laboratoryaccredited byCNAS(China Na-tional AccreditationSystem for Labora-tories).

Obtained CE certification for seamless pipes.

Accredited as National Torch Program High-Tech Enterprise.

An international advanced high-con-figuration CorrosionAssessment Labo-ratory was put into operation.

Listed in Shenzhen Stock Exchange with stock code SZ002490.

Shandong Provincial Enterprise TechnicalCenter.

Shandong Provincial Engi-neering & Technology Re-search Center for OCTG

Listed in Hong Kong Stock Exchangewith stock code HK568.

Restructured as a jointstock limited company,producing tubing and casing, tubing/sucker rod pump and
pumping unit and the like.

Obtained ISO 9001 quality management system certification.

Restructured as ShandongMolong Group Co. ,producingpetroleum machinery, high-voltage electric switches
and precision castings and the like.

renamed as Shouguang Petroleum Machinery Co.,Ltd, taking into shape withforging,
casting and othermachining activities etc.

Shouguang PetroleumMachinery AccessoriesCo., Ltd was founded,producing petroleum ac-cessories etc.