2022-03-01
Two Hilong projects recognized in first batch for ...
(February 21, 2022) Recently, two Hilong projects were recognized and made part of the first batch for the Shanghai High-tech Achievement Transformation Project in 2022. They were the "HL120S high steel grade sulfur-resistant drill pipe" from Shanghai Hilong Oi...
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Hilong Oil Service successfully signs the first drilling turnkey contract in Ira...
2022-03-01
Hilong Petroleum Product Technology Services（Shanghai）CO .,Ltd. shortlisted for ...
2022-02-11
Hilong researcher awarded Zhangjiang National Innovation Demonstration Zone Outs...
2022-01-07
Hilong Signed Drill Pipe Supply Contract Valued at Approximately US$20.8 Million...
2021-12-20
Hilong Oil Service successfully passes first supervision and audit after obtaini...
2021-12-16
Hilong Signs High-performance Drill Pipe Supply Contract Valued at Approximately...
2021-10-14
Hilong Signed a Crude Oil Pipeline Service Contract with a Total Contract Amount...
2021-09-30
Hilong Won the Second Prize of Shanghai Key Product Quality Research Achievement...
2021-09-28
Hilong Signed two Drill Pipe Supply Contracts Worth RMB 86.9 Million
2021-07-26
