Changzhou Manorshi Electronics Co., Ltd. is a professional manufacturer and trading company based in Changzhou, China, specializing in acoustic and security components. Established in 2004, the company has developed a robust portfolio of electronic solutions, including a wide range of buzzers (piezo, magnetic, SMD, and mechanical), ultrasonic sensors, speakers, and sirens. Their technical expertise extends to specialized products such as ultrasonic transducers, piezo ceramic elements, microphones, and advanced sensors for flow, pressure, and soil measurement.
Operating with a factory and over 10 production lines, Manorshi Electronics provides comprehensive OEM and ODM services supported by a dedicated R&D team of graduate engineers. The company maintains high quality standards with ISO 9001 certification and rigorous inspection processes for raw materials and finished goods. Their products are essential components in diverse applications, including electric appliances, automotive parking systems, alarm systems, medical devices, and consumer electronics.
With an annual export revenue exceeding US$35 million, the company serves a global market spanning North America, Europe, the Middle East, and Southeast Asia. Manorshi Electronics is recognized for its operational efficiency, maintaining a strong reputation for on-time delivery and competitive pricing. Their commitment to innovation is evidenced by the continuous launch of new products, such as wind sensors and integrated medical ultrasonic sensors, catering to the evolving needs of wholesalers, brand businesses, and industrial manufacturers worldwide.
OEM manufacturerOffers OEM services for customized brand manufacturing.
ODM manufacturerProvides ODM design and manufacturing solutions.
Product customizationOffers full customization for design and features.
Multinational enterpriseOperates in multiple countries or regions like 🇺🇸 United States, Europe, Asia.
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4inch 10watt Loud Car Speaker 4ohm Impedance with Paper Cone
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4inch 10watt Loud Car Speaker 4ohm Impedance with Paper Cone, Find Details and Price about Amplifier Trumpet from 4inch 10watt Loud Car Speaker 4ohm Impedance with Paper Cone - Changzhou Manorshi Electronics Co., Ltd.$1.2
4 Inch Car Subwoofer Speaker 30W 4ohm Audio Loudspeaker
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4 Inch Car Subwoofer Speaker 30W 4ohm Audio Loudspeaker, Find Details and Price about Amplifier Woofer from 4 Inch Car Subwoofer Speaker 30W 4ohm Audio Loudspeaker - Changzhou Manorshi Electronics Co., Ltd.$1.2
Small 15mm Mini 8ohm 1W Active SMD Loudspeaker, Find Details and Price about Speaker Amplifier from Small 15mm Mini 8ohm 1W Active SMD Loudspeaker - Changzhou Manorshi Electronics Co., Ltd.$0.2
15 * 11* 3 mm Plastic Frame Outer Rectangle Micro Speaker, Find Details and Price about Trumpet Amplifier from 15 * 11* 3 mm Plastic Frame Outer Rectangle Micro Speaker - Changzhou Manorshi Electronics Co., Ltd.$0.2
3 Inch 77mm External Magnetic 10W 4ohm 8ohm 16ohm 32ohm Speaker
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3 Inch 77mm External Magnetic 10W 4ohm 8ohm 16ohm 32ohm Speaker, Find Details and Price about Amplifier Speaker Parts from 3 Inch 77mm External Magnetic 10W 4ohm 8ohm 16ohm 32ohm Speaker - Changzhou Manorshi Electronics Co., Ltd.$0.5
40mm Speaker Amplifier 4ohm Lound 2watt Subwoofer 85dB Speaker, Find Details and Price about Speaker Parts Mini Speaker from 40mm Speaker Amplifier 4ohm Lound 2watt Subwoofer 85dB Speaker - Changzhou Manorshi Electronics Co., Ltd.$0.6
63mm Square Paper Cone Outer-Magnet 8ohm Speaker
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63mm Square Paper Cone Outer-Magnet 8ohm Speaker, Find Details and Price about Amplifier Audio Amplifier from 63mm Square Paper Cone Outer-Magnet 8ohm Speaker - Changzhou Manorshi Electronics Co., Ltd.$0.5
67 * 67mm Square Cloth Edge Double Magnetic for Small 2W 4ohm Speaker
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67 * 67mm Square Cloth Edge Double Magnetic for Small 2W 4ohm Speaker, Find Details and Price about Amplifier Audio Amplifier from 67 * 67mm Square Cloth Edge Double Magnetic for Small 2W 4ohm Speaker - Changzhou Manorshi Electronics Co., Ltd.$0.5
50mm Speaker Driver 8 Ohms 0.2 Watt Full Range Speaker Parts
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50mm Speaker Driver 8 Ohms 0.2 Watt Full Range Speaker Parts, Find Details and Price about Speaker 50mm Speaker from 50mm Speaker Driver 8 Ohms 0.2 Watt Full Range Speaker Parts - Changzhou Manorshi Electronics Co., Ltd.$0.23
38mm Power 0.5W 8ohm Loud Speaker for Paper Intercom System
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38mm Power 0.5W 8ohm Loud Speaker for Paper Intercom System, Find Details and Price about Amplifier Loudspeaker from 38mm Power 0.5W 8ohm Loud Speaker for Paper Intercom System - Changzhou Manorshi Electronics Co., Ltd.$0.2
8ohm 3W 4 Inch Full Range Audio Subwoofer Speaker with Mounting Holes
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8ohm 3W 4 Inch Full Range Audio Subwoofer Speaker with Mounting Holes, Find Details and Price about Amplifier Audio Amplifier from 8ohm 3W 4 Inch Full Range Audio Subwoofer Speaker with Mounting Holes - Changzhou Manorshi Electronics Co., Ltd.$0.5
International Organization for Standardization 9001
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OceaniaOceania
EuropeEurope
North AmericaNorth America
South AmericaSouth America
AsiaAsia
AfricaAfrica
🇺🇸 United States🇺🇸 United States
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Changzhou Yangshi Information Technology Co., Ltd.
🇨🇳 China
2013101-200 peopleManufacturer/Trading Company
Industry association member
Low MOQ
Product customization
OEM manufacturer
Shipments
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Key market
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Review
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Description
Changzhou Yangshi Information Technology Co., Ltd., also known as Changzhou Yongse Info Technology Co., Ltd., is a professional manufacturer and trading company established in 2013. Based in Changzhou, China, the company operates with a workforce of 101 to 200 employees and generates an annual revenue between US$5 million and US$10 million. The firm specializes in the development and production of electric bike components and conversion kits, including hub motors, electric bike kits, throttles, displays, and wheel rims. Their technical expertise extends to specialized parts such as planetary gears, clutches, and waterproof extension cables.
As an innovation-driven enterprise, the company holds 15 patents and maintains a dedicated R&D team to support its OEM and ODM services. Beyond e-mobility, the company also manufactures high-fidelity audio components, including hybrid in-ear monitor earphones and silver-plated headphone upgrade cables. Changzhou Yangshi Information Technology Co., Ltd. is committed to quality standards, having achieved ISO9001 certification and joining the USB/HDMI administration. Many of its products carry international safety authorizations such as UL, VDE, CSA, and CCC. The company maintains a strong global presence, exporting its diverse product range to markets across North America, South America, Europe, and Eastern Asia.
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