About
Brand Story
Product Features: Superior tightness, corrosion resistance, pressure resistance & wide environmental adaptability.
In 2016, Ocean Sail launched ultra-durable subsea connectors, ushering in a new era of safe subsea plugs*
In 2017, we stepped into subsea connector industry and built China's largest production base for subsea plugs
In 2019, we rolled out subsea floodlights, underwater IP cameras and subsea monitoring equipment
In 2020, we became the first strategic partner of CAS and signed cooperation agreements with multiple universities
In 2023, we broke the long-term monopoly of international brands in this sector
Realized domestic substitution of our core products, fully interchangeable with mainstream brands including Subconn & Seacon
Now our R&D team has over 10 specialists who have conquered connection technical challenges under deep-sea high-pressure & corrosive conditions
We operate 3 manufacturing bases, serve hundreds of long-term partners, and hold 8 patents plus 1 software copyright
Features: High tightness, corrosion resistance, pressure resistance & strong environmental adaptability
Launched deep-water connectors in 2016, pioneering a new industry era*
In 2017, Ocean Sail built China's leading subsea plug manufacturing base
In 2019, we released underwater products including floodlights, IP cameras & monitoring devices
In 2020, we became the first strategic partner of CAS
In 2023, we ended the long monopoly of international brands
Achieved full domestic production of core products, fully compatible with Subconn & Seacon
Today we have solved connection difficulties under deep-sea high-pressure & corrosive environments
We own 3 manufacturing bases and hundreds of steady partners
Products

Copyright © 2026 Langfang HYSF Tech. Co., Ltd. All Rights Reserved.beain

进入电商平台店铺首页,在页面顶部找到“官方授权”字样,
复制其下方的授权编码进行查验
*本图以展示天猫,京东平台为示例