Changsha U De Toptech Electronic Technology Co., Ltd is the original manufacturer for Alcohol Testers / Breathalyzers.

Yuanxun Electronics Co., Ltd. Aims at the research and development, production and marketing of industrial control and the industrial automated products. By fully utilizing new techniques and independently-innovated ideas, it manufactures high quality general products and specialties by high standards. It gradually expands its product range and satisfies diversified customer needs and, at the same time, steadily establishes and consummates its quality control system, guaranteeing high quality products and service.

Hans Innovation Group(CDC) a design, development, production and sales of high-quality vibration of the speaker of the new enterprise. The company is committed to the resonance multi-dimensional sound development, production and global markets. Acoustic resonance in the types of currently available, our products more competitive, have been developed for a variety of materials (finished goods) into the vibration module. We have independent intellectual property rights is different from traditional proprietary vibration speaker sound module and can spread to 360 ° Duty cycle is also different from the resonant speaker on the market today, the entire volume of the products down to the size of cigarette lighter, or smaller; Whispered simple and honest and so on.

EEK-Brand professional manufacturer for Ketone Meter & alcohol testers over 10 years! Factory established in 2006, we develop and manufacture the alcohol tester and the breath ketone analyzers with our high professionality; We have got the FDA in 2017, and all our models are with CE, RoHS, FCC certifications as well as the testing reports. 20 patents on designs and functions are on hand now, and OEM and ODM services are available! Our goal is simple: To always provide our worldwide customers with high quality. With more than 100 diverse product style for the international market products at the lowest factory direct wholesale prices. Contact us if you are interested in our products or you have an idea on developing your own design, our service will meet our satisfactions;

Shenzhen Taoyue Electronic Technology Co. Ltd

Shenzhen Diyatel Electronic Co., Ltd. (ISO9001-2000 certified), established in 2004, Having factory facilities covering an area of 2000 square meters, and employing 200 personnel, is specialized in the R&D, manufacture, marketing of Breathalyzers and E-cigarette WiFi Smart Socket gift in China.