DeLong AV Co., Ltd., based in Hangzhou, China, is a manufacturer, trading company, and wholesaler specializing in professional audio and public address systems. Established in 1996, the company has grown to employ 11 to 50 people and operates its own factory. DeLong AV focuses on the development and manufacturing of PA speakers, stereo set accessories, and a wide range of audio equipment including professional sound boxes, public address systems, audio mixers, professional karaoke amplifiers, and various speakers (outdoor, indoor column, ceiling). They also offer teaching systems, wired and wireless microphones, and professional peripheral equipment like microphone stands and speaker stands. The company provides contract manufacturing services and is committed to leading technology, good quality, and competitive pricing. DeLong AV Co., Ltd. holds ISO 9001, CE, and CCC certifications, ensuring high-quality standards. They have established long-term business relationships with numerous domestic and international merchants, receiving technical support and cooperation from renowned companies such as Japanese TOA, Matushita, Italian RCF, Dutch Phillips, and German BOSS. Their products are primarily for wholesale and project installation, offering system solutions with a high function-to-price ratio.
OEM manufacturerOffers OEM services for customized brand manufacturing.
Product customizationOffers full customization for design and features.
Established brandFounded in 1996, with over 20 years of industry experience.
Multinational enterpriseOperates in multiple countries or regions like 🇨🇳 China, 🇭🇰 Hong Kong.
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Microphone Stand (WD-103)
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Certifications
ISO 9001
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International Organization for Standardization 9001
CE
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Conformité Européenne
CCC
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China Compulsory Certification
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Hangzhou Delong Sound Co.,Ltd. is a manufacturer, trading company, wholesaler, and service provider based in Hangzhou, China, established in 1996. With 51 to 100 employees and an annual revenue between USD 500,001 and 1,000,000, the company specializes in the manufacturing, development, project installation, and brand agency of professional audio equipment. They operate a factory and offer a wide range of products including speakers (ceiling, lawn, bass, radio), audio mixers, microphones, public address systems, karaoke amplifiers, power amplifiers, teaching systems, conference systems, and peripheral equipment. The company provides OEM and ODM services and holds ISO 9001, CE, and CCC certifications, ensuring high-quality products. Hangzhou Delong Sound Co.,Ltd. emphasizes technical innovation, continuously developing new products and maintaining a strong sales network across China, while actively expanding into international markets. Their products are primarily for wholesale and project installation, with brands such as E-witi Baiyadonglic, KOMA, and SBS. They have established long-term business relationships with numerous domestic and international merchants, including technical cooperation with companies like Japanese TOA, Matushita, Italian RCF, Dutch Phillips, and German BOSS.
Shenzhen TELON Audio&Visual Equipment Co., Ltd. is a leading high-tech enterprise specializing in the research, development, and manufacturing of professional projection technology and audio-visual accessories. Established in 2000 and headquartered in Shenzhen, the company operates multiple production facilities across Huizhou, Shenzhen, and Dongguan, spanning approximately 15,000 square meters. With a workforce of 300 to 500 employees, the company maintains a significant production capacity of 30,000 units monthly and exports over 90% of its output to global markets, including Europe, North America, and India.
The company offers a comprehensive portfolio of projection solutions, including motorized, manual, tripod, fast-fold, and fixed-frame screens. Specialized product lines feature advanced technologies such as 4K/8K Ultra HD, Ambient Light Rejecting (ALR) PET Crystal screens for ultra-short throw projectors, and 3D silver metallic screens. Beyond screens, the company manufactures projector lifts, ceiling mounts, and cinema equipment. Their projection fabrics are engineered for durability, featuring fire, water, and mold-resistant properties.
As an ISO 9001 certified manufacturer, Shenzhen TELON emphasizes quality control and technological innovation. The company provides extensive OEM and ODM services, allowing for customized sizes, logos, and technical adjustments to meet the specific needs of video enthusiasts and commercial dealers. Their products are compliant with international standards, including CE and RoHS certifications, ensuring high-quality performance for home theaters, educational institutions, and large-scale outdoor events.
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