国产亚洲精品美女久久久-国产亚洲精品美女2020久久-国产亚洲精品美女-国产亚洲精品看片在线观看-午夜精品久久久久久久99蜜桃i-午夜精品久久久久久久99蜜桃

News

Hilong's High-Grade Sulfur-Resistant Drill Pipe Project Selected for "Sci-Tech Innovation China" Leading Technology List

2024.07.12More

Hilong Shine New Materials Marine Coating business completes coating of 1,500th ship

2021.02.02 More
"Winter Safety Production Monitoring System for Gas Pipelines in Extreme Cold Regions" developed by Hilong Information

2020.11.26 More
Three Core Products of Hilong Information Technology Company launched at the 2nd China Intelligent Oil and Gas Pipeline and Intelligent Pipe Network Technology Exchange Conference

2020.10.30 More
Gao Yiyi, Deputy Secretary of Baoshan District Committee and Acting District Mayor of Shanghai, visited Hilong on a Study Tour

2020.10.09 More
Hilong Shine New Material won the "Advanced Demonstration Unit for the Promotion of Coatings with Low VOC Content" title

2020.09.15 More

?
...
6
7
8
...
?

About Hilong

Group overview

Event Records

QHSE

Technological Innovation

Corporate Culture
Products and Services

Oil Equipment

Oil services

Line Pipe Technology & Services

Offshore Engineering

New Materials
Investor

IR Overview

Fact Sheet

Announcements & Circulars

Financial Reports

Corporate Governance

Investor Calendar

IR Contact
News

Group News

Media Report

Industry Information
Human Resources

Talent Strategy

Growing in Hilong

Recruitment

Campus Recruitment
Contact Us

Contact Us

Scan and follow us

滬ICP備14040674號-1 滬公網安備 31011302005992號 ? 2018 HI LONG GROUP OF COMPANIES， All Rights ReservedPrivacy Policy

Join UsContact UsEnterprise Mailbox

主站蜘蛛池模板： av av在线| 爱情岛论坛首页aqdav| 欧美日韩中文亚洲另类春色| 久久人人青草97香蕉| 一级片视频免费观看| 久久婷婷综合色啪俺| 人善交xuanwen| 久久99久久成人免费播放| 操你啦在线观看| 在线视频一区二区日韩国产| 绿巨人www在线观看| 公和熄洗澡三级在线观看| 成人羞羞动漫| 最新毛片网| 尹大人久久大香香蕉国产| 日韩精品中文字幕一区二区三区| 插花穴| 年轻护士2放荡女教师年轻护士3| 久久91精品国产一区二区| 成年人在线观看视频网站| 久久久久久午夜精品| 久久久久久99| 免费理论片在线观看| 久久久免费观成人影院| 欧美va亚洲va香蕉在线| 中文字幕2021| 69女poren3006| 99热免费观看| 日韩欧美亚洲综合久久99e| 4480午夜| 中文字日产幕码一二区色哟哟| 久久99热只有视精品6国产| 综合色久| 中文字幕在线二区| 啪啪全程无遮挡60分钟一一| 在线观看日本亚洲一区二区三区| 91制片厂果冻传媒精东影业| zo0o与人xxx欧美另类| 久久99国产精品免费观看| 日韩影音| china男男gay|