SWT established in 2002, has been deeply involved in the fields of piezoelectric materials, electroacoustic, and ultrasonic components for more than 20 years. As a professional manufacturer in the field of piezo?ceramics, SWT has three core areas and providing customized solutions for customers in different industries

Wisdom is a professional export-oriented company, which located in Shanghai, one largest commercial city in China. We mainly manage alloy products, thermal spray consumables, Cobalt alloy consumables, winding machines, Tungsten Carbide Corrugated Roller, Ceramic Anilox Roller, metallic substrates, and other related products. Our company has been engaged in these fields for many years and has a sound reputation and credits among the foreign customers and suppliers with our great variety of first-rate quality products, novel design and good services. Our selling net-work has expanded to Middle East Area, European countries, America etc.

Shenzhen InterEar Intelligent Technology Co., Ltd., established in 2016, is a professional manufacturer engaged in the research, development, production, sale and service of 510 cartridge, Vape battery, Disposable vape pen and Filling machine, etc. We are Chinese manufacturer with World-leading technology and advanced production equipment and own rich experience in the Vape industry.