In view of the special and high requirements of 1500m deep sea steel pipe service environment, HYST has successfully developed X65QO series specification deep sea pipeline pipe, successfully realized the domestic replacement for the first time in China, and applied to China's first deep water self-operated large gas field -- Lingshui 17-2 gas field in the South China Sea, creating a new record...

In 2020, HYST had completed the domesticated trial production of the deep-water SCR, which integrates the submarine pipeline and riser in one, greatly reducing the difficulty of deep-sea operation and the cost of exploitation. This product has set a milestone in the localization of deep-sea oil and gas "throat" steel pipe, and broken through the technical problem of "jam neck" ...

HYST nuclear grade 2, 3, pipeline is a domestic suppliers qualification of one of the seven units, production P280GH nuclear power tube successfully applied to the world's first "hualong one heap", built the "national business card" of China's nuclear power towards the world.

HS140 high strength and high toughness casing produced by HYST was successfully applied to the deepest onshore well in Asia. The field was drilled to a depth of 8,882 meters, exceeding the height of Mount Qomolangma, the "roof of the world", and setting three Asian records for the deepest well, deepest core extraction and deepest logging.

The major construction work on the world’s longest cross-sea bridge, which connects Zhuhai in Guangdong Province with Hong Kong and Macao, was completed in July,2017. In this super construction which can be compared to Everest, HYST product is designated to be used in gongbei tunnel of Zhuhai line.

China has succeeded in collecting combustible ice in the sea on 18th, May, 2017. This breakthrough attracts world’s attention. With the superb quality and capacity, The seamless pipe for high pressure mud service which is produced by HYST has been applied to deep sea drilling platform of BLUE WHALE NO.1 and gives a contribution to this successful collection.