Workers make the glass through a DCS kiln combustion control system. [Photo/We Chat account: Tai'an Daily]

Shandong Ruitai Glass Insulator Co is a company specializing in producing disc suspension toughened glass insulators for AC and DC power systems.

The products are mainly used in high voltage, ultra-high voltage, and extra-high voltage transmission lines, substations, as well as electrified railways. They can meet the conditions of use with voltage ranges from 10-1000kV and mechanical strength from 40-840kN.

There are over 150 varieties, including standard type, anti-fouling type, aerodynamic type, ground wire type, and multi-umbrella type.

The company has an annual output of more than 3 million pieces and generates 10 million yuan ($1.5 million) in tax revenue.

The company possesses an advanced DCS kiln combustion control system, supporting Siemens automatic feeding, stamping, tempering, and cold-hot impact control system. The company has a scientific and standardized process supervision system, as well as a complete supporting material analysis laboratory, mechanical research and testing laboratory, and electrical testing laboratory. Currently, its products are sold in over 20 countries and regions, and have been widely used in more than 30 provinces and cities within China.

Workers check the quality of the glass. [Photo/We Chat account: Tai'an Daily]