SINOTRONICS
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Export manufacturer since 1999

Components and audio, built for export since 1999.

One supplier for speakers, receivers, potentiometers, rectifiers and electron tubes. OEM and ODM, shipped to 9 world regions.

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  • ISO 9001
  • ISO 14001
  • OEM / ODM
  • Exporting since 2000
1999Founded in Nanjing
2000Exporting since
>90%Of output exported
110Catalog products
ISO 9001 ISO 14001 OEM / ODM Import/export license No. 3201726057225

Catalog

Five lines. One factory network.

Every category ships with specs, MOQ and FOB pricing. Select a line to see examples below.

Speakers and Transducers58products
  • Mylar cone
  • 27–102 mm
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Telephone Receivers9products
  • 150Ω 0.3W
  • Waterproof
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Potentiometers12products
  • WH148
  • Rotary
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Bridge Rectifiers and Diodes8products
  • KBPC
  • QL · MDS
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Electron Tubes23products
  • EL84
  • Hi-Fi audio
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Why Sinotronics

Why buyers stay since 1999.

Three allied factories, certified QC, and export paperwork handled.

Allied-factory capacity

Three closely-related manufacturing enterprises behind one export desk. Consistent quality, scalable output.

OEM / ODM with R and D

5 to 10 R and D staff and 3 production lines. Annual output value US$5 to 10 million.

ISO-inspected QC

ISO 9001 and ISO 14001 systems with multi-stage inspection. Own import and export license.

Reliable lead times

About one month off-season; 1 to 3 months in peak season. Plan ahead with confidence.

Export paperwork handled

Commercial invoice, packing list, certificate of origin, loading via Shanghai, Ningbo and Guangzhou.

Flexible payment

LC, T/T, D/P, PayPal, Western Union and small-amount payment. 21 to 50 foreign trading staff.

Trade terms

Trade terms, up front.

Terms your freight forwarder already knows.

IncotermsFOB · CFR · CIFSeaport delivery, export cleared
PaymentLC · T/T · D/PPayPal · Western Union · small-amount
Lead time1–3 mo peakAbout 1 month off-season
PortsShanghai · NingboPlus Guangzhou
Markets9 regionsOver 90% of output exported

The company

One export desk, three factories.

Sinotronics Co., Ltd. is a Nanjing export manufacturer backed by three closely-related manufacturing enterprises: a loudspeaker factory, an electron tube factory and a manipulator factory in Changzhou, Jiangsu. We supply Mylar cone speakers, car speakers, tweeters, travel chargers, power transistors, bridges, potentiometers, electron vacuum tubes and RCA connectors to buyers in 9 world regions.

7 Floor, Tianhe Building, 216 North Zhongshan Road, Nanjing, Jiangsu, China

EL84 · Hi-Fi audio tube
  • 51–200Employees
  • 3Production lines
  • 5–10R&D staff

Send your BOM. Get a factory reply.

One inquiry covers all five product lines.

OEM and ODM welcome

Mr. Su Yiran · 7 Floor, Tianhe Building, 216 North Zhongshan Road, Nanjing, Jiangsu, China

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