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About Us

About Us


Who are we?

HLT is the manufacturer of audio products in Shenzhen. Founded in 2016, it is headquartered in Shenzhen City, Guangdong province.

At first beginning, HLT provide plastic injection molding processing for assembly plants in electronics, lighting, bags etc industries. Since 2018, HLT began to design and assemble Bluetooth speaker and Bluetooth earphone with utilize its advantages of material supply chain and technical strength.

With the continuous development, HLT now has total 7,800 square meters of area, one-stop mold injection design and production line and 88 employees. The company was awarded as "Quality Pioneer" of China Quality News Network, "AAA-level Integrity Management Demonstration Firm" by the National Credit Rating Certification Organization, and won the First Prize in the Network Selection of “Top Ten Gold Medal Electronic Technology Companies in Guangdong Province" by China Vision Media Network.

What we do?

HLT produce various audio products including mini speaker, night light Bluetooth speaker, IPX7 waterproof speaker, Bluetooth soundbar speaker, outdoor trolly speaker, TWS, neckband earphone, wireless buds, gaming headphone, wireless headphone, wired headphone etc. There are more than 200 sets of molds for our products. Nice style and appearance design plus good sound quality achieve good sales for our clients.

Until now, the company has been working with audio brands, gift brands, 3C digital chain stores and dealers covering 26 countries, offering OEM & ODM one stop service in audio field.


Founded in


Floor area


Professional personnel


Company Philosophy

Our integrity, strength and quality have been recognized and acceppted by the industry. HLT has grown rapidly in the fierce market competition, and has won extensive trust and reputation from users. The company adhere to the "quality first, customer oriented" philosophy to provide our customers with quality products and services. In the future, HLT will adhere to the principle of "quality and innovation" to provide higher services to our customers, and sincerely support them with our heart. 

Company Adwards and Certifications


Office Area


Production Area


Our Team

We are proud of our team of talented and dedicated professionals. Our team consists of 88 employees, over 60% of whom are university graduates. This dynamic team brings a wide variety of expertise and experience. HLT dedicated R&D team is an very important part of our success as they are responsible for developing and improving our products to high quality standards. Led by a team of mechanical engineers, electrical engineers and exterior designers, our R&D team is passionate about innovation and always play team work very well. With an unwavering commitment to teamwork, collaboration and client satisfaction, our team strives to provide the best experience for clients. Whether designing new products or providing customer service, we always work together to ensure HLT continue to grow and do better.

Our R&D department:

* 2 Mechanical Engineers
* 2 Electrical Engineer
* 2 Appearance designers
* 1 Artwork designer

Our QA department:

* 2 IQC
* 2 IPQC
* 2 FQC
* 1 OQC

Our After-sales department:

* 2 Service staff
* 7*24 hours standby
* 1-3 days response for solution

Why us?

 Supply Chain Management: experienced and competitive supply chain in OEM and ODM services (including plastic mold, injection production).

♬ Certificates: CE, CB, RoHS, FCC, ISO 9001 approved factory.

 Quality assurance: 100% tested materials, 100% functional testing and 100% finished product inspection.

 Warranty service: one year warranty, 24*7 days after-sales service.

 Support: can provide technical information and package & literature design services.

♬ R&D Department: strong R&D team including electronic engineers, mechanical engineers and appearance designers.

♬ Production chain: production workshop including mold, injection, production assembly, silk printing etc.


Our clients

  • 2016
  • 2018
  • 2020
  • 2021
  • 2022
  • 2023
  • 2016
    • HLT was established and engaged on plastic injection molding and processing in Shenzhen. The company keep growing fast and we increased to 15 injection molding machines in total.
  • 2018
    • Audio department was established and began to produce Bluetooth speaker and Bluetooth earphone. We began with some public mold models, meanwhile HLT R&D team developed our private mold models. Till 2023 there are more than 200 sets molds for our private products.
  • 2020
    • To beat the raising cost and maintain our price competitiveness, and also in order to centralized most parts of the supply chain, all HLT production facilities were moved to Dongguan.
  • 2021
    • Celebrating the 5th anniversary of the company. Although the company encounter major and minor stresses and difficulties during covid-19 period, HLT made positive adjustment and made our cost down in every possible way, and we survived.
  • 2022
    • After 6 months preparation, HLT started B2C audio business. We opened an online shop on Shopee. B2C business is an open window for us to better understand users and market.
  • 2023
    • New branch in Shanghai is supposed to run in June. After new office establishment, HLT can sever customers at eastern of China better.Customers’ satisfaction is what HLT cared about.