Ningbo Rongtor Electronics Co., Ltd., located in Ningbo, port city in Zhejiang and established in 2012 (previously ZR Factory), is a reliable professional speaker driver unit manufacturer.

Our factory have development department, production department, processing department and marketing department.

Our factory have the Uniter States LMS systems, test equipment and follow strict quality control of computer products, quality assurance.

Our product mix includes: Tweeter, PA SPEAKER. SUBWOOFER. Diaphragm parts, T-yoke, U-yoke, washer, CNC series, etc.

Rongtor can offer OEM/ODM services per customer needs. Our lead time is usually 20-45 days after receiving order.

Rongtor has built a team of experienced designers, NC technicians and managing personnel. It is striving for fine and zero-defect products to ensure constant quality services.