Hengtong (Changshu) International Marine industrial park set sail.
The 500kV XLPE insulated optical fiber composite submarine cable of 18.15km and without joints manufactured by Hengtong has been successfully and completely laid in Dapeng Island, Zhoushan City, Zhejiang Province.
The water depth of the application of Hengtong submarine optical cable reached 7000 meters.
Hengtong submarine optical cable broke the production record of 220km for a single stainless steel tube unit.
Hengtong wins the bid for EPC & M general contract project of offshore floating wind power submarine cable in Portugal.
Hengtong submarine optical cable passed the international sea trial in a depth of 5000 meters.
Hengtong complete 30.2km 220kV cable withstand voltage test once.
As sole pre-qualified Chinese Bidder, Hengtong awarded the EPC project of 35kV submarine cables in Gulf of Finland, Russia.
The length of unrepeatered submarine optical cable with a single inner armored copper tube is up to 318 km without cable joints.
Delivery of Russian Energy Bridge Project
Acquired 13 UJ certificates
Acquired 13 UQJ certificates
Established the company
Solutions Trans-Oceanic Communication Systems Offshore Oil & Gas Umbilical Hardware Solutions Solution For System of Offshore Windfarm System Of Ocean Observatory and Early Warning Networks Ecological Sensing Networks of Rivers and Lakes