SHENZHEN HAIYI OIL TECHNOLOGY CO., LTD
Shenzhen Haiyi Oil Technology Co., Ltd. is a national high-tech enterprise and a Shenzhen "Specialized, Refined, Characteristic, and Innovative" SME dedicated to the localization of marine/land communication & navigation and intelligent security equipment. With a technical team led by experts from the Guangdong Provincial Science & Technology Advisory Expert Database, our core business encompasses the R&D and sales of GNSS High-Precision Global Satellite Navigation and Positioning Systems (DGNSS) and GNSS+ series smart marine/land products. We provide integrated solutions and services for marine/land positioning, navigation, and intelligent security engineering based on GNSS high-precision global satellite navigation and positioning technology.
Key Achievements:
1. Installation and retrofit of GNSS equipment for the Fenghua 21 and Fenghua 23 vessels’ navigation and DP systems, along with provision of high-precision, full‑sea‑area positioning services via GNSS differential signals.
2. Offshore Oil 691 and Offshore Oil 660: Modification of the GNSS satellite signal receiving equipment for the vessels’ dynamic positioning (DP) systems;
3. Acquisition and survey of nearshore geomorphological data in the South China Sea;
4. Survey services for pipeline routing in the extremely shallow waters of Hengqin, utilizing unmanned surface vessels;
5. Post‑protection project for an optical cable in a certain sea area of the South China Sea;
6. Protection Project for the Crossing Point of China Mobile’s Optical Cable and CNOOC’s Subsea Natural Gas Pipeline;
7. Post-Protection Services Project for the Southern Network Western Section of the China–UK Submarine Optical Cable:
8. Guangdian Institute – Offshore operations services in shallow-water areas for the 2024–2025 full-line enhanced protection project of the 500 kV Fuxu II Line submarine cable;
9. CNOOC LF22-1 and LH4-1 subsea tree installation services;
10. Renovation and installation services for the living wastewater treatment system of the drilling platform;
11. Domestication and Retrofit Project for the Variable-Frequency Control Cabinet of the Anchor Winch on Offshore Oil Vessel No. 278;
12. Offshore emergency repair services for CNOOC Engineering’s vessels;
13. Procurement, specialized equipment rental, and technical services for the CNOOC Engineering Saudi cable‑laying project;
Key achievements: Retrofit and installation services for GNSS ‑based navigation and DP systems on vessels under FiberHome Communications; seabed topography data acquisition and surveying in the South China Sea; post‑installation cable protection projects in the South China Sea; protection works at crossing points between China Mobile’s optical cables and CNOOC’s subsea natural gas pipelines; provision of high‑precision GNSS differential positioning services across all maritime areas; installation of wellhead Christmas trees at CNOOC’s LF22‑1 and LH4‑1 wells; renovation and installation of domestic wastewater treatment systems on drilling rigs; retrofit of GNSS satellite signal receiving equipment for the DP systems of vessels 691 and 660 under CNOOC Services; topographic and bathymetric surveying of pipeline routes in the ultra‑shallow waters off Hengqin, conducted using unmanned surface vehicles; procurement, specialized equipment rental, and technical services for CNOOC Engineering’s cable‑laying project in Saudi Arabia.
Corporate culture
Company Vision
Company Mission
Academic Cooperation
Industry Alliance
Marine Energy Services Expert
Founded in 2012, the company holds nearly 60 intellectual property rights and is recognized as a high-tech enterprise as well as a specialized, refined, distinctive, and innovative small- and medium-sized enterprise. An R&D team composed of experts, PhDs, and master’s degree holders.
High-Precision Navigation and Positioning
Smart products
Marine Engineering Services
Qualifications, Honors & Certifications
Hold 56 Patents
Utility Model Patents: 6
Invention Patents: 5
Software Copyrights: 45
Registered Trademarks: HYPOS, HYPOS SEAS
5 Key Accreditation
Nationally Accredited High-Tech Firm
Government-Designated Specialized SME
Licensed Surveyor (Class B)
Member of China's Premier Satellite
Navigation Association
Officially Certified Innovative Enterprise
Management System Certifications
Certified Management Systems:
ISO 9001 (Quality)
ISO 14001 (Environmental)
ISO 45001 (Occupational Health & Safety)
Industry-Specific HSE Certification (Oil & Gas)
Development History
Begin
2012
2012
Shenzhen Haiyi Established
At the beginning of 2013
Hong Kong Haiyi Established
2016
Entering overseas markets
2017
Introducing GNSS high-precision navigation and positioning technology for all sea areas.
2019
Bringing High-Precision GNSS to Global Maritime Operations
2020
Obtained national-level high-tech certification Key Laboratory of Shenzhen (Technology) University Key Laboratory of the China Academy of Space Technology High-precision navigation signal services across all sea areas Became a national high-tech enterprise Kunyue Technology was founded.
2021
Join the Median Association Installation of offshore oil wellhead Christmas trees Independently developed high-precision navigation system for all sea areas
2022
Kunyue Investment Established.
2023
Recognized as an SME with Specialized Expertise
2024
South China Sea Geomorphological Data Acquisition and Survey Project Post-Installation Cable Protection Project in the South China Sea
2025
Joint Laboratory with OUC's Deep-Sea Research Institute
Partner