PROPANEL is a high-tech enterprise specializing in sandwich panel processing and prefabricated steel building materials. Located at Chengdu, China, we have a team of over 100 skilled professionals, with our core engineering team boasting over 15 years of experience in composite panel manufacturing and precision processing.

Weihai Duoterui Automation Equipment Co., Ltd., founded on July 15, 2016, is a tech-oriented enterprise integrating R&D, manufacturing and international trade. Specializing in flow measurement, it dedicates to the R&D, production, sales and technical services of various flow meters, supplying high-quality, reliable and intelligent flow measurement solutions for global industrial clients. Since establishment, the company has adhered to the tenet of Technology Priority, Quality Foundation, Customer Centricity. Supported by professional technology, standardized production and considerate after-sales service, it has earned solid reputation in the automation instrumentation industry and become a reliable partner for domestic and overseas enterprises.