About YOJOCK

Company Introduction

Background and History of Establishment

Shenzhen Shuangju Electronics Co., Ltd., established in 2013, has been dedicated to the development and sales of 3C electronic accessories. Our brand YOJOCK, officially launched in 2016, is committed to providing users with high-performance and highly reliable electronic testing instruments and related products.

Corporate Culture: Unity, Innovation, Integrity, Excellence

At YOJOCK, we firmly believe that corporate culture is the key factor for our company's continuous growth and success. Our corporate culture is built on four core values: Unity, Innovation, Integrity, and Excellence.

Unity: We regard teamwork as the cornerstone of business development. Every employee is a valuable family member to us. We encourage open communication and mutual support to ensure that the team works together to pursue the company's goals.

Innovation: Innovation is our lifeblood. We encourage every employee to unleash their creativity to explore and try new ideas and technologies. We believe that continuous innovation not only leads to breakthroughs in products but also ensures that we maintain a leading position in the fierce market competition.

Integrity: Integrity is the foundation of our existence. We adhere to the principles of honesty and trustworthiness both internally and externally to build and maintain trust with all stakeholders. We believe that integrity is the basis for long-term relationships.

Excellence: The pursuit of excellence is our relentless pursuit. We are committed to pursuing perfection in every detail and continuously optimizing our products and services to meet and even exceed customer expectations. We believe that only by constantly striving for excellence can we ensure the sustainable development and success of our company.

R&D Strength

We are well aware that innovation is the core driving force behind the development of a company. Our R&D team is composed of top-tier electronic engineers and designers in the industry, who collaborate to push the boundaries of acoustic technology. Through in-depth market research and analysis of user needs, we have successfully developed several industry-leading products, leading the trend in acoustic technology. Our R&D center is equipped with the most advanced laboratories and testing equipment to ensure that each product meets the highest standards of performance, comfort, and reliability.

Production Strength

We possess state-of-the-art production facilities and a stringent quality control system, ensuring that every step from raw material procurement to finished product delivery meets international standards. Our production base is located in Shenzhen, covering an area of 3,000 square meters, and has introduced first-class production lines and automated assembly equipment. These facilities enable us to produce more than 15 million modules annually, which not only guarantees timely delivery of orders but also ensures the consistency and reliability of product quality.

Global Reach

YOJOCK-branded products are currently sold in the United States, United Kingdom, France, Germany, Italy, Spain, Japan, and Canada, and have received widespread acclaim from users around the globe.

Corporate Social Responsibility

Shenzhen Shuangju Electronics has a professional and experienced R&D team focused on functionality, user experience, and hardware performance. We consistently develop cost-effective products that meet evolving market needs.

Quality Commitment

Each product undergoes rigorous quality inspection before leaving the factory to ensure it meets our high standards. With customer satisfaction at the core of our values, we are committed to continuous improvement in both product quality and service.

Our Vision

To become a globally trusted brand in electronic testing tools through continuous innovation and technical excellence—making measurement simpler, more accurate, and safer for everyone.

Looking to the future, Tengteng High-Tech will continue to uphold the core values of innovation, quality, and service, and will continue to explore and develop more innovative products to bring a superior experience to global users and empower our customers' products. We look forward to working with more partners to create a bright future for digital audio technology.