Shanghai Changyuan Wayon Circuit Protection Co., Ltd.
Shanghai Changyuan Wayon Circuit Protection Co., Ltd.
🇨🇳 China, Shanghai Shi
1996501-1000 peopleManufacturer/Trading CompanyShanghai Changyuan Wayon Circuit Protection Co., Ltd., established in 1996, is a global leading provider of circuit protection solutions and power semiconductors. Headquartered in Shanghai with a workforce of over 700 employees, the company operates as a high-tech manufacturer and is a subsidiary of the listed Shenzhen ChangYuan Group Ltd. Wayon specializes in three core product categories: Circuit Protection, Smart Protection ICs, and Power Control Products. Their extensive portfolio includes PPTC resettable fuses, MOSFETs, TVS diodes, IGBTs, SiC devices, and various power management ICs. These components serve critical applications in network communications, industrial IoT, consumer electronics, new energy, and the automotive sector. With a strong commitment to innovation, the company maintains a dedicated R&D team of over 200 experts and holds more than 200 intellectual property rights and patents. Wayon operates a factory with advanced manufacturing capabilities and provides OEM services. The company adheres to rigorous international quality standards, holding certifications such as IATF 16949, ISO 9001, and ISO 14001. Their products are further validated by global safety approvals including UL, TUV, and CSA, ensuring high reliability for international markets across Asia, Europe, and North America.
OEM manufacturerOffers OEM services for customized brand manufacturing.
Own brandOwns and operates its own brands and manufacturing facilities.
High capacity factoryCan handle large-scale or bulk production orders.
Patented technologyHolds multiple product or process patents.
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Products
Products
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Polymer PTC
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Thyristor (WEOS4/WEOS6)
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PPTC
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Fuses
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Thyristor
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Customers
CATHOLIC BOOK PUBLISHING
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Certifications
ISO 90012
ISO 140012
IATF 169492
UL2
CSA1
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2000101-200 peopleManufacturer/Trading CompanyEstablished brand
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Own brand
High-tech enterprise
Shipments
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Key customer
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Key market
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Description
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Dual Wall Tube (135F) for Harness
Shrink Tube for Auto Brake System
Single Wall Shrink Tube for Auto Harness
TPU Tube for Auto Harness/Pipe System
Single Wall Shrink Tube for Auto Harness
Cyg-Amt Liner
Dual Wall Tube (RX) for Auto Harness
Shanghai Sunon Telecommunication Co., Ltd.
🇨🇳 China
1997101-200 peopleManufacturerEstablished brand
OEM manufacturer
Product customization
Patented technology
Description
Shanghai Sunon Telecommunication Co., Ltd., founded in 1997, is a leading manufacturer of circuit protection devices based in Shanghai, China. With a workforce of 101 to 200 employees, the company specializes in the development, manufacturing, and sale of Polymer PTC thermistors (PPTC resettable fuses). Sunon is recognized as one of the few companies globally possessing core PPTC technology and is the first and largest domestic manufacturer of PPTC devices in China, pioneering their use as variable resistors in circuit protection. The company operates a factory and holds an ISO 9001 certification, along with TUV/UL product approvals. Their product portfolio includes various series of PPTC resettable fuses and thermistors, serving a broad range of markets including telecommunication, automotive, battery, IT, computer, electronic, and automatic equipment.
Resettable Fuses (SF600-150)
Resettable Fuses (SF250-100 To SF250-160)
Resettable Fuses That Can Withstand Interrupt Voltage of 600V (SF600-160)
Resettable Fuses (SF250-120 (u))
Resettable Fuses (SD250-100 To SD250-160)
Thermistors (PPTCR) in Miniature Size (SN250-100 To SN250-160)
Resettable Fuses (SF250-180U)
Thermistors (PPTCR) That Can Withstand Interrupt Voltage of 250V (SN250-080 To SN250-180)
