An OEM/ODM manufacturer & supplier of Bluetooth speakers for more than 10 years

6-10 R&D engineers | Customized MOQ: 100 pcs |

Over 10 Years of Industry Experience
Founded in 2014, Shenzhen Zhongrun Hi-Tech has a wide range of products, including Bluetooth speakers, Bluetooth headphones, and other consumer electronics, which are well-received in North America, Western Europe, Southeast Asia, and Africa.

6-10 R&D Engineers
Our design and engineering team of 6-10 members is led by an engineer who has about 15 years' experience in this line. We invest 15-20% of our annual sales in R&D every year and release 3-6 new designs monthly to update your selection.

Strict Quality Control (QC)

  1. Our QC department is professional and controls the IQC materials, checking and testing half-finished products, and finished products, which leads to our good quality and low defective ratio.
  2. We have our own R&D manager and R&D team expert in the portable Bluetooth speaker area, to ensure the speakers deliver superior performance and higher cost-effectiveness, for your OEM/ODM orders.
  3. It meticulously oversees incoming quality control (IQC) for raw materials to ensure no substandard materials enter production.
  4. For semi-finished products, the team implements multi-stage checks, such as functional testing for circuit boards and structural integrity assessments for casings.
  5. As for finished products, we have electrical performance tests (verify Bluetooth connectivity stability, audio clarity, and battery life through automated testing equipment), drop tests, visual and tactile inspections, etc.


Fast Shipping
ZRhitech has prepared stock for new arrivals and hot-selling products to support the fast delivery of samples and small orders.

Mixed Color Available for Small Orders
Usually, small orders are randomly color-matched, but mixed colors are also available if required.


Lower MOQ for Your OEM/ODM Orders
We also offer OEM/ODM services starting from a lower MOQ. Your orders can be delivered in five to 20 days. ZRhitech has prepared stock for new arrivals and hot-selling products to support the fast delivery of samples and small orders. To start hassle-free sourcing with an experienced supplier, contact us today.

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