Cables are typically made of several wires or several groups [each group of at least two] twisted rope made of a similar cable, between each group of mutually insulated conductors, and often twisted around a center, the entire outside of the package has a high degree of an insulating cover layer. More erect in the air or installed underground, underwater, for telecommunications or power delivery.

Ji'nan Haichuan Investment Group Limited formerly known as Ji'nan HaichuanCarbon Co., Ltd., founded in 2006 December, the registered capital of 312560000 yuan, private enterprise, located in Ji'nan city Pingyin County Kong Cun Carbon Industrial Zone, the company covers an area of 600 acres, the plant covers an area of 56000 square meters. In 2010 April changed its name to Ji'nanHaichuan Investment Group Co., ltd.

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