Soundlong Electronics (Shenzhen) Co., Ltd., also known as Sound Long Co., Ltd., is a contract manufacturer of loudspeakers and sound boxes, established in 1998. Located in Changzhou, China, the company operates a factory covering over 20,000 square meters and employs approximately 700 staff. They specialize in a wide range of speakers, including automobile, computer, telecom, and TV speakers, as well as Hi-fi and home theatre sound boxes, offering over 400 types of speakers and 100 kinds of sound box systems. With six loudspeaker assembly lines, two sound box assembly lines, three voice coil manufacturing lines, and 23 punch machines, Soundlong Electronics has a monthly production capacity of 1.5 million loudspeakers and 100,000 sound boxes. The company holds ISO 9001, ISO 14001, ISO9002, and ISO/TS16949 certifications, reflecting its commitment to quality and environmental management. Soundlong Electronics has a strong international presence, exporting 98% of its products to Europe, America, and Japan, and has a history of cooperation with major international corporations such as Sony, Siemens, Thomson, Alcatel, Sharp, and National.
Speaker Box for LCD TV (SP40-01)
Speaker Box (SP4030-02)
Speaker Box for LCD TV (SP4030-02)
Speaker Box (SP4030-01)
Sen Long East Technology (Shenzhen) Limited
🇨🇳 China
2013Fewer than 5 peopleManufacturer/Trading Company
Multinational enterprise
High-tech enterprise
OEM manufacturer
ODM manufacturer
Shipments
45
Key customer
PADMINI VNA
Key market
North America
Description
Sen Long East Technology (Shenzhen) Limited is a Shenzhen, China-based manufacturer and trading company specializing in intelligent electronic products. Established in 2013, the company focuses on the R&D, design, and production of wireless fast charging, wireless fast power supply, and peripheral smart products, including Wireless Chargers, Wireless Car Chargers, Wireless Power Banks, Qi Wireless Chargers, Magnetic Wireless Car Chargers, and Wireless Earbuds. They offer comprehensive OEM, ODM, and contract manufacturing services, providing customized products and solutions. Sen Long East Technology (Shenzhen) Limited is ISO 9001 certified and operates with a factory, serving major B2C platforms like Amazon, eBay, and Wal-Mart. The company is a subsidiary of Sen Long Industrial International Limited and is committed to launching new private mold products monthly to maintain a competitive edge in the market.
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