Seimlong Technology Co., Ltd.
Seimlong Technology Co., Ltd.
🇨🇳 China, Guangdong
200811-50 peopleManufacturer/Trading CompanySeimlong Technology Co., Ltd. is a professional manufacturer and trading company based in Shenzhen, China, specializing in computer-based products and accessories. Established in 2008, the company employs 11 to 50 people and generates an annual revenue of USD 100,000 to 500,000. Seimlong Technology focuses on designing, producing, and selling its own electronic products, operating with a strict quality control system and highly trained operators. Their product portfolio includes a range of computer peripherals such as wired mice, wireless mice, USB sound cards, USB adapters, and U disks. Additionally, they specialize in testing equipment, offering diamond testers and moissanite testers. The company provides OEM services and has an R&D team with over 10 years of experience, ensuring continuous product development and innovation.
OEM manufacturerOffers OEM services for customized brand manufacturing.
High-tech enterpriseRecognized as a high-tech or innovative enterprise.
Low MOQOffers low minimum order quantity options.
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Products
Products
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Moissanite Tester
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Moissanite Tester, Find Details and Price about Moissanite Tester Diamond Selector from Moissanite Tester - Seimlong Technology Co., Ltd.$9.5
Diamond Tester -2
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Diamond Tester -2, Find Details and Price about Diamond Tester Diamond Selector from Diamond Tester -2 - Seimlong Technology Co., Ltd.$7.5
Diamond Tester -1
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Diamond Tester -1, Find Details and Price about Diamond Tester Diamond Selector from Diamond Tester -1 - Seimlong Technology Co., Ltd.$11Ask AI about this supplier
Key export market
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Shenzhen Techlong Co., Ltd.
🇨🇳 China
2005501-1000 peopleManufacturerHigh capacity factory
Established brand
OEM manufacturer
ODM manufacturer
Key market
🇺🇸 United States
Description
Shenzhen Techlong Co., Ltd. is a professional manufacturer and engineering-oriented company established in 2005, specializing in the R&D, production, and global distribution of power supply solutions. Based in Shenzhen with a significant manufacturing facility in Huizhou, the company operates a plant area of up to 10,000 square meters and employs between 500 and 1,000 highly trained staff. As an OEM and ODM service provider, Techlong maintains comprehensive in-house capabilities, including dedicated departments for plastic injection, tooling, cord assembly, and a reliability assurance laboratory, supported by multiple final assembly lines.
The company's extensive product portfolio focuses on AC/DC adapters, switching power supplies, battery chargers, and specialized power devices for consumer, commercial, and industrial applications. Key products include wall-mount and desktop adapters, open-frame power supplies, and telecom power supplies, many of which meet energy efficiency Level VI standards (DOE VI and COC V5). These products serve diverse industries such as communications, audio/video, medical, lighting, and home appliances.
Techlong is committed to high quality and international standards, holding numerous certifications including ISO 9001, ISO 50001, SEDEX, and GMP. Their products are certified for global markets with marks such as UL, CE, FCC, GS, PSE, CCC, KC, SAA, and ETL. With over a decade of management experience and a strong export focus, the company ships approximately 95% of its output to international markets, including the Americas and Europe.
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