Qingdao Huakai Ocean Science and Technology Co., Ltd. (Qingdao Hailiya Group Co.,Ltd.) was founded in 1922, it is the earliest professional rope manufacturer in China.

During the course of development for nearly a century, we have always been committed to the R&D, production and technical services of special ropes.We also have accumulated rich experiences in the production and application of special ropes,such as marine,military,safety special ropes and so on. Our company provides products and technical support for national "Dragon" bathyscaph...