Hangzhou Shengong Electronic Industry Co., Ltd. is a contract manufacturer of consumer electronics based in Hangzhou, China. Established in 1979 as West Lake Electronic Component Plant, the company has grown to over 400 employees with 17,000 square meters of plant buildings. They specialize in digital media adapters, wireless products, HDTV, and Blu-ray DVD, and have collaborated with research institutes and international companies for product development, including digital media adapters utilizing the Amedia WVA5000 series wireless multi-media chipset. Hangzhou Shengong Electronic Industry Co., Ltd. is an export-oriented enterprise, holding ISO 9001 quality system certification and ISO 14001 environmental protection system certification.
OEM manufacturerOffers OEM services for customized brand manufacturing.
Established brandFounded in 1979, with over 20 years of industry experience.
Multinational enterpriseOperates in multiple countries or regions like 🇨🇳 China, 🇺🇸 United States.
Eco-friendly supplierUses sustainable and eco-friendly materials.
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Sender Devices (WMA3000)
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Certifications
ISO 9001
1
International Organization for Standardization 9001
ISO 14001
1
International Organization for Standardization 14001
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Hangzhou Shuguang Electric Appliance Co., Ltd. (SEA) is a prominent manufacturer and trading company established in 1991, specializing in high-voltage insulation components and electrical appliances. Based in Hangzhou, China, the company operates a 60,000-square-meter facility with a workforce of approximately 200 to 300 employees, including a dedicated R&D and engineering team. SEA is a member of the China Electrical Equipment Industry Association and is recognized for its technical expertise in epoxy resin materials.
The company’s extensive product portfolio focuses on medium and high-voltage applications (3.6kV to 40.5kV), including epoxy resin insulators, bushings, contact boxes, embedded poles, and voltage indicators. They also manufacture vacuum circuit breakers, current and voltage transformers, and components for SF6 gas-insulated switchgear (C-GIS). Their manufacturing capabilities are supported by 56 production lines, featuring advanced German-imported liquid silicone rubber injection molding equipment and 46 automatic pressure gelation (APG) units.
Committed to international quality standards, Hangzhou Shuguang Electric Appliance Co., Ltd. holds ISO 9001 and ISO 14001 certifications. The company maintains a rigorous testing system equipped with X-ray defectoscopes, helium mass spectrometer leak detectors, and partial discharge testing machines. As an experienced OEM and ODM provider, SEA serves a global market across North America, Europe, Southeast Asia, and the Middle East, and has established supply relationships with major industry players such as ABB.
Insulation (SF6-12/95)
Insulation (SF6-24/102)
Inlet Insulator (SF6-24/198)
Busbar Bushing (TGZ13-12)
Busbar Bushing (TGZ10-12)
Busbar Bushing (TGZ9-12)
Insulation (3CZ8.121.002)
Insulation (FN12A-12)
Insulation (3CZ8.238.013)
Insulation (JZZ02-12)
Insulation (JZZ03-12)
Cast Epoxy Post Insulator with Different Voltage (ZJ118-12)