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About Us

Based in Shanghai of China, UPUN started building terminal blocks since 1995, and to date we has grown into one of top world-famous brands in this field.

Besides the traditional terminal blocks business, in recent years UPUN has expanded its product line into industrial automation & control parts such as signal light, push button, signal splitter isolator, optical coupling relay, surge protection device (SPD), switching power supply, etc.

UPUN is one of the first Chinese companies in the industry to pass systems of ISO9001, ISO14001, and we strictly follow these systems in our daily management and production. Most of our products have gained professional certification like CCC, CE, UL, INMETRO, CFE, ROHS, etc.

Our products range has been widely used in many fields like electric transmission & distribution, industry control & automation, etc. We have 800 distributors in China and 30 abroad.  

We look forward to cooperate with you!