Qingdao Cosine Ruita Electric Co., Ltd is one of the largest and most stable insulator manufacturer in China since 1999, the main products include: Toughened Glass Insulators from 40KN to 530KN, Composite Insulators from 10KV-500KV and varies kinds of Electric Power Fittings.

Our insulator meets the national standard GB/T 1001.1 regulation, the international IEC standard, American ANSI standard and England BS standards. In additional to general GB, ANSI, IEC and BS standard designs of building transmission and distribution lines and substations, we can do design insulators for specific non-standard applications to meet the varying needs of customers and our engineers are available to assist you in developing insulators for your particular application.

Customers in more than 40 countries (America, Canada Peru, Australia, Brazil, Ecuador, Russia, Greece, Cyprus, India, Viet Nam, Sri Lanka, Pakistan, Tanzania, Kenya etc ) do appreciate the insulators which proved their value under all environmental conditions and in all climate zones.

Excellent service attitude, fast reaction speed, on-time delivery, consciousness of responsibility and flexibilty is what we are practicing form the very beginning, Warmly welcome to cooperate with you to make mutual benefits.