Company information updated:
Who is T&G?
T&G, operated by Shenzhen Chengtai Electronic Technology Co., Ltd., is a Bluetooth speaker manufacturer in Shenzhen, China. We independently develop our entire product range using proprietary molds, have design-patent grant records for related models, and operate in-house R&D, production, sales, quality and service teams.
Company facts
Shenzhen Chengtai Electronic Technology Co., Ltd.
T&G
Shenzhen, China
Bluetooth speaker product development and manufacturing; OEM/ODM cooperation.
Entire range independently developed, with proprietary molds, with design-patent grant records for related models.
R&D, production, sales, quality and service.
Independent development, proprietary molds and patents
Our Bluetooth speaker products are developed by T&G. We use proprietary molds and have design-patent grant records for related models. Buyers reviewing a specific model can discuss the relevant product and intellectual-property documentation with our team.
Proprietary tooling and patents describe different aspects of a product. Any territorial distribution, exclusivity or project-specific rights are agreed separately. Review the relevant patent, territory and product before making a market-specific decision.
Examples of design-patent grant records
The supplied patent documents identify the following Bluetooth speaker models and Chinese design-patent grant publications. These are historical grant records, not a claim that every listed right is currently in force.
| Model named in the document | Grant publication number | Grant date |
|---|---|---|
| TG-418 | CN308425301S | 2024-01-16 |
| TG-449 | CN309171794S | 2025-03-14 |
| TG-454 | CN309188077S | 2025-03-21 |
| TG-462 | CN309239436S | 2025-04-15 |
| TG-464 | CN309239432S | 2025-04-15 |
The named patent holder in these documents is 廖信和 (Liao Xinhe). For a specific order, confirm the current patent status and applicable manufacturing, licensing or distribution arrangements with our team. Full project documents are available for qualified customer review.
In-house teams from development to service
Our R&D team handles product development. Our production team handles manufacturing, while our quality team manages product quality and checks. Sales and service teams coordinate project communication and customer feedback with the responsible teams.
Learn more about our manufacturing and in-house teams and OEM/ODM cooperation.
Management systems, social audit and product compliance
T&G holds ISO 9001 quality management and ISO 14001 environmental management system certifications, has undergone BSCI social auditing, and maintains CE, RoHS and FCC compliance documentation for applicable products.
- ISO 9001: quality management system certification.
- ISO 14001: environmental management system certification.
- BSCI: social responsibility auditing.
- CE, RoHS and FCC: documentation for applicable product models.
Supplier review should match each document to the named entity or facility, covered activity or product model, and current scope. Product documentation is reviewed according to the model and destination market.
Products and OEM/ODM cooperation
Our range includes portable, mini, RGB, gift and magnetic 2-in-1 Bluetooth speakers.
Importers, distributors and brands can discuss model selection, branding, colors and packaging. Further development requirements are evaluated by our team for technical feasibility, project scope and commercial terms.
Start a product discussion
Send your target country, sales channel, model interest, expected quantity and customization requirements through our contact page or email kay@tg-bt.com.
Company questions
Who is T&G?
T&G, operated by Shenzhen Chengtai Electronic Technology Co., Ltd., is a Bluetooth speaker manufacturer in Shenzhen, China. We independently develop our entire product range using proprietary molds, have design-patent grant records for related models, and operate in-house R&D, production, sales, quality and service teams.
Does T&G independently develop its products?
Yes. T&G independently develops its entire Bluetooth speaker range, uses proprietary molds and has design-patent grant records for related models.
Which teams does T&G have in-house?
T&G has in-house research and development, production, sales, quality and service teams.
Does T&G support OEM/ODM?
Yes. T&G supports OEM/ODM cooperation based on its own product development and manufacturing capabilities. Model selection, branding, packaging and further development requirements are reviewed for each project.
What certifications and audit documentation does T&G have?
T&G holds ISO 9001 quality management and ISO 14001 environmental management system certifications, has undergone BSCI social auditing, and maintains CE, RoHS and FCC compliance documentation for applicable products. The relevant document scope, product model and destination market should be checked for each order.
Do proprietary molds mean an exclusive distribution agreement?
Proprietary molds describe product development and tooling. Market exclusivity, distribution rights and project-specific rights require a separate agreement.
How can overseas buyers contact T&G?
Visit https://www.tg-bt.com/, email kay@tg-bt.com or contact WhatsApp +86 18588499771. Provide your target market, model interest, estimated quantity and customization requirements.