Located in South China, Tortai is a Contract Electronics Manufacturing Services Provider with more than 10 years of experience in the Electronics Manufacturing industry. We've manufactured electronics assembly services for more than 300 companies and over 40 countries around the world - some have been with us since our establishment in 2017.

What Can We Do?

We are committed to supply chain management optimisation, manufacturability analysis, lightweight ODM services, high reliability soldering and assembly services, special process implementation, complete assembly, PCBA testing, packaging and other full process one-stop electronic assembly manufacturing services.

JiangSu ChangJing Electronics Technology Co., Ltd (shorted for JSCJ), formerly a Discrete Device division of Jiangsu Changjiang Electronics Technology Co., Ltd. (Stock code:600584), is a global leading manufacturer of Discrete Devices, Power Devices, Power Management IC, Frequency Devices, Automotive Electronics etc. Our 15,000 part series and models are widely used in a various range of applications.

Headquartered in Nanjiang Jiangbei New District, we have established branch offices in Shenzhen, Shanghai, Beijing, Hong Kong,Taiwan, Hangzhou, Suzhou and other places, we also have Oversea subsidiaries to serve our international customers.

JSCJ is a world-class innovative Semiconductor company, which provides Package Design, Product Research & Development, and After-sale Services globally, as well as a full range of professional production services from Chip measurement and packaging to finished product testing.

Quality is not something you add, it has to be built-in. There is no compromise when it comes to quality. Focus on the innovation and development of China's semiconductor industry, JSCJ is dedicated to creating a World-class Semiconductor Brand!

Founded in 1983, Trio Engineering (“Trio”) is an international electronics manufacturing services provider specializing in customized industrial electronics products and solutions. “Powering the eWorld” is Trio’s corporate vision. We provide advanced engineering and contract manufacturing services for a wide range of industries.

With our experienced team of outstanding track record and reputation, we have been recognized by our customers as a reliable partner for addressing high-complexity and advanced PCB assemblies and turn-key system assembly solutions. We specialize in the manufacture of custom and standard power supplies, industrial battery chargers, inverters, filters and transformers/magnetics for industrial applications, and smart vending systems and self-service kiosks.

Redboard focuses on manufacturing and selling various types of PCB, including HDI boards, PCB, FPC, RFPC, SLP, and IC substrates. With comprehensive R&D capabilities and advanced production technologies, our company offers diversified PCB solutions and one-stop services to meet the evolving needs of its global customers.       

Our company's products are widely used in consumer electronics, automotive electronics, high-end displays, communication electronics, and other fields, and are exported to developed countries and regions such as Hong Kong, Singapore, Japan, Europe, and the United States.      

Professional EMS service provider specializing in customized manufacturing for medical & healthcare, industrial control sectors, providing customers with complete solutions from design to manufacturing. The company focuses on the market demand of multiple varieties, medium and small batches, and responds flexibly and quickly. It has a dust-free and anti-static production workshop and an excellent office environment, using advanced testing equipment, and fully implementing an intelligent manufacturing system.

Service Advantages

Rapid Response; Cost Optimization; Quality Assurance; Comprehensive Coverage.