Etallwit Scientific Limited
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Inwitt Co., Ltd
🇨🇳 China
2018101-200 peopleManufacturerOEM manufacturer
Industry association member
High-tech enterprise
ODM manufacturer
Shipments
253
Key customer
AMKOR TECHNOLOGY
Key market
🇵🇭 Philippines
Description
Inwitt Co., Ltd is a manufacturer based in Shanghai, China, specializing in aluminum foil and window film products. Established in 2018, the company operates with 101 to 200 employees and maintains two primary production bases. The Anhui factory, founded in 2004 and covering 600,000 square feet with 150 employees, focuses on aluminum foil rolls and containers. The Guangdong factory, Qinghe Energy Technology, established in 1998, specializes in advanced window films, including Photochromic Window Film (Smart Transparent Film), Self-Adhesive Switchable Transparent Film (Smart Transparent electronic control Liquid Crystal Film), and Transparency Switchable Glass (Smart Transparent Glass). This facility utilizes technologies such as vacuum evaporation, magnetron sputtering, and coating composite. Inwitt Co., Ltd offers ODM, OEM, and contract manufacturing services and holds certifications including ISO 9001, ISO 14001, and BSCI. The company is a main participant in setting the national standard GB/T22649-2008 for aluminum and aluminum foil usage in semi-rigid containers.
Photochromic Window Film$2188
Wiindow Film$50
Shandong Yuanda-Llongwill Educational Science and Technology Ltd.
🇨🇳 China
1997201-300 peopleManufacturerEstablished brand
Own brand
Patented technology
Industry association member
Shipments
11
Key customer
EQUIPMENT
Key market
North America
Description
Shandong Yuanda-Llongwill Educational Science and Technology Ltd. is a publicly traded manufacturer (NEEQ: 430511) established in 1997 and headquartered in Jinan, China. With a workforce of 201 to 300 employees and a registered capital of 48 million Yuan, the company specializes in the research, development, and production of innovative educational technology and environmental health solutions. It operates a dedicated R&D center in collaboration with the Shanghai Education Commission and is a platinum member of Worlddidac.
The company's core product line is the llongwill® Digital Information System Laboratory (DISLab), a leading brand in digital experimental teaching. This comprehensive portfolio includes a wide range of sensors (physics, chemistry, biology, and geography), data loggers, software, and specialized laboratory apparatus designed for K-12 education. Additionally, the company has expanded into campus health through its Cleanbao™ and Cleanbay™ series, which provide sterilization, disinfection, and odor control equipment for educational and medical institutions. Its catalog also features anatomical models and advanced vibration analysis training systems for technical education.
Operating with ISO 9001, ISO 14001, and ISO 45001 certifications, the company maintains high quality and safety standards. Its products are integrated into national textbooks and utilized by over 10,000 schools across China. As an experienced OEM and ODM provider, Shandong Yuanda-Llongwill exports its educational solutions to international markets across North America, Europe, Southeast Asia, and the Middle East.
Dispalcement Sensor (integrated)$170
Displacement Sensor (small-range)
Rotary Motion Sensor
Acceleration Sensor
Sound Sensor
Illumination Sensor
Current Sensor
Relative Illumination Distribution Sensor
Fast Response Temperature Sensor
Dual-Range Illumination Sensor
Irt Sensor
Pressure Sensor
