DLDC Electric Porcelain Group Co., Ltd. (hereinafter referred to as the "Company") is a technology enterprise specializing in the research and development and manufacture of insulators. The company has inherited a century of manufacturing history, accumulated rich technical experience, continuously enriched product categories and improved product quality in development, and has established stable business partnerships with customers in nearly 100 countries. Insulators and UHV composite insulators are one of the largest manufacturers of line insulator manufactures in China.
The company strictly implements the International Electrotechnical Commission (IEC) standards and China, the United States, the United Kingdom and other standards. The main products include 70 ～ 840kN AC and DC suspension porcelain insulators, 10 ～ 1000kV AC composite insulators, ± 500 ～ ± 1100kV DC composite insulators, ~ 1000kV power station insulators / high-voltage porcelain sleeves and various electric porcelain fittings, etc. The product quality control standards are clear and the supervision and inspection system is perfect.
The company is headquartered in Dalian Economic and Technological Development Zone and covers an area of 230,000 square meters. Among them, the porcelain insulator manufacturing base has a complete manufacturing production line and mature technology and testing facilities, and has stable multi-type large-scale manufacturing capabilities. Another new composite insulator manufacturing base (covering an area of 60,000 square meters) was officially put into production in 2013. The new plant equipment and testing equipment have a large-scale production capacity of a variety of voltage levels from 10kV to 1100kV, with an annual production of one million standard composite insulators.
The company's three wholly-owned subsidiaries, Dalian Sanjian Electric Porcelain Hardware Co., Ltd., Dalian Shengbao Casting Co., Ltd. and Dalian Yidejin Co., Ltd. are all suppliers of the company's metal accessories, which is a strong guarantee for the company's product output and quality. The other two holding subsidiaries, Dalian Lapu Electric Porcelain Co., Ltd. and Dalian Electric Porcelain (Fujian) Co., Ltd., respectively, produce high-strength pillar rods, porcelain sleeves, pins, and pillars, which are powerful supplements to the company's product line.
The company adheres to the strategy of technology-led development and is equipped with special funds and talents. Now it has established a provincial-level technology research and development center. Nearly a hundred technical backbones have formed a stable talent team and implemented a clear technology development strategy and new product planning. In 1983, the company's products won the National Quality Gold Award. In 1985, the company began to cooperate with Tsinghua University and the Chinese Academy of Electrical Engineering to develop composite insulators, becoming one of the earliest manufacturers of composite insulators in China. In 2009, the company's DC project won the state First prize for scientific and technological progress; in 2012, the company's exchange project won the national special prize for scientific and technological progress.
At present, the company has mature scientific research results transformation capabilities. After the mass production of various independently developed products, it is applied to the "Three Gorges Project", "Jindongnan-Jingmen 1000kV AC UHV pilot demonstration project", "Xiangjiaba-Shanghai ± 800kV DC" "Engineering" and other domestic and international line projects, so far, more than 20 million products have been safely operating on high-level 500kV and higher power transmission lines at home and abroad; in the future, the company will continue to uphold the spirit of hard work and innovation, and abide by " "Produce the best quality products, provide the best service for China and the world's power construction", and dedicate to provide the best quality service for domestic and foreign customers.
Products
Suspended rod-shaped composite line insulator
Suspended rod-shaped composite insulator products are composed of high-strength acid-resistant glass fiber epoxy core rods, silicone rubber skirts, and hardware. Composite insulators have strong hydrophobicity on the surface, good anti-pollution flashover performance, high mechanical strength, light weight, no need to measure zero, line dimensions
XZWP Double-layer Umbrella DC Pollution Resistant Disc Suspension Porcelain Insulator
The double-layer umbrella-type DC pollution-resistant disc-shaped suspension porcelain insulator has both the characteristics of a DC disc-shaped suspension porcelain insulator and a double-umbrella-type AC insulator, and is used for DC transmission lines.
Line insulator
The ground wire insulator is a special suspension insulator used to connect the tower and the overhead ground wire of the transmission line. The characteristics of the ground wire insulator are that the insulator has a low strength electrode, a small disk diameter and creepage distance, and an electrode with an air gap is installed.
Power plant rod pillar porcelain insulator
Electrical equipment of transformer substations (such as transformers, circuit breakers, voltage transformers, current transformers, arresters, isolation knife gates, etc.) have components such as porcelain sleeves and rod-shaped pillars. These components also serve as electrical insulation and mechanical support. , Large porcelain sets at the same time.