Environmental impact refers to how external environmental conditions affect a product's performance and durability. Among these factors, rain is a critical natural element that products may be exposed to during their operational life. Rain testing, often conducted in a waterproof test chamber, is an artificial simulation of real-world rainy conditions. This test evaluates the ability of equipment to resist water penetration and ensures its functionality remains intact when exposed to rainfall.
Rain can significantly affect the performance of various devices. The characteristics of rain—such as intensity, duration, and temperature—can have different impacts on different types of equipment. For example, heavy rainfall can interfere with radar signal propagation, disrupt radio communications, reduce the accuracy of artillery and missiles, and impair optical surveillance systems. Additionally, raindrops can erode the surfaces of high-speed aircraft and missiles, while accumulated rainwater can weaken material strength, accelerate metal corrosion, and damage protective coatings.
Inside electronic devices, water infiltration can lead to insulation failure, malfunctions, or even complete system failure. In cold environments, moisture can freeze inside components, causing expansion, cracking, or structural damage. These effects make rain testing essential for ensuring the reliability and longevity of military and industrial equipment. By simulating real-world conditions, waterproof testing helps manufacturers improve design, materials, and protection mechanisms to withstand harsh weather environments.
Toda Group is integrated professional manufactures for kinds of furniture and Medical Equipment since 1987. We have invested and built nine factories in Guangdong, Hebei and Henan Province. Meanwhile we have regular brother factories to customize kinds of products. Every month, we develop about 10 kinds of new styles.Â
  Furniture:Â
 Office/Hospital/Home/Hotel/School/Workshop/Lab/Government Furniture. Medical Furniture/Equipment: Hospital Beds, Operating Shadowless Lamp, Operating Table, Medical Stretcher/Trolley/Cart/Cabinet/Table etc. with CE/ISO/SGS etc..Â
  Our products have passed ISO9001, ISO14001, ISO13485, ISO45001, OHSAS18001, CE etc. Certificates. Meanwhile we have more than one hundred patents for Commercial Furniture and Medical Equipment. Strict quality control covers every procedure, from material sourcing and processing through to testing and packing.Â
  We are specialized in the R&D, manufacture and export business. We adopt robot welding, automatic epoxy coating, efficient assembly line, Our products sell well in domestic and international markets, such as North America, Southeast Asia, the Middle East. We pursue the management tenet of "Quality is superior, Service is supreme, Reputation is first". And sincerely expect to establish long-term business relationships with friends from all over the world.Â
  Toda means Together Dance in English and Tong Da in Chinese, which means a long-term WIN-WIN situation between us. Toda Group welcomes friends all over the world to visit our factories, and develop mutual business together! Our 36-year manufacture with CE/ISO etc. and 13-year exporting experience will not let you down. Welcome Customization, Welcome inquiry!
school furniture,classroom desks,educational seating
Henan Toda Technology Co., Ltd. , https://www.todafurniture.com