Tianjin Zhonghuan Semiconductor Joint-Stock Co., Ltd. is a leading manufacturer and trading company based in Tianjin, China, specializing in discrete semiconductor devices. Established in 1983, the company has grown to become the world's largest manufacturer of high-voltage silicon diodes, employing between 501 and 1000 people. With 36 years of professional experience, they have consistently imported advanced production technology and equipment from Japan and the US. Their extensive product portfolio includes high-voltage diodes, ultra-fast recovery diodes, special high-voltage diodes, diodes for microwave ovens, high-voltage diodes for car ignition, and various bridge rectifiers (SIP-Type, SQIP Type, SMD-Type, DIP Type) ranging from 0.5A to 25A and 200V to 800V. These components are widely utilized in applications such as fly-back transformers, high-voltage generators, microwave ovens, X-ray machines, TVs, monitors, air cleaners, water purifiers, security devices, air conditioners, washing machines, and adaptors. The company operates a factory and holds ISO 9001 certification, having previously achieved ISO 9002:1994 and ISO 9001:2000. With an annual output exceeding 1 billion pieces and an output value over 200 million RMB, Tianjin Zhonghuan Semiconductor Joint-Stock Co., Ltd. exports to over 21 countries and regions across Asia, Europe, and America, serving major clients like LG, Samsung, Thomson, Philips, and Konka. They hold a significant global market share, including 43% abroad and 50% domestically for high-voltage diodes, and over 20% for rectifier diodes and 50% for bridge rectifiers in China's CTV market.
OEM manufacturerOffers OEM services for customized brand manufacturing.
High capacity factoryCan handle large-scale or bulk production orders.
Established brandFounded in 1983, with over 20 years of industry experience.
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SQIP Type Bridge Rectifier for Different Types of Electronic Equipment
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DIP Type Silicon Bridge Rectifier with 0.5 to 1A, 200 to 800V
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Silicon Special High-Voltage Diode with 5 to 200kV
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SIP-Type Bridge Rectifier with 10 to 25A, 200 to 800V
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Diodes for Microwave Ovens
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Special High-Voltage Diodes with a 10 to 500mA Current
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SMD-Type Bridge Rectifier for Different Types of Electronic Equipment with 0.8A -1A Current
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SIP Type Bridge Diodes With 1 to 2A, 200 to 800V
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Certifications
ISO 9001
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International Organization for Standardization 9001
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