https://www.dfichk.com/products/reefer-container/ Reefer containers necessitate a higher level of manufacturing technique for refrigerated container manufacturers, and only five factories in the world are capable of producing large scale RF containers, with the majority of them based in China. DFIC owns two reefer factories that produce high-quality reefer shipping containers through long-term automation technology investment and development. REFRIGERATED SHIPPING CONTAINER DIMENSIONS The common reefer container dimension is 20ft and 40 ft. The external length of 20ft reefer container is 20ft, width is 8ft and height is 8ft6. The external length of 40ft reefer container is 40ft, width is 8ft and height 9tf 6. WHAT IS A REEFER CONTAINER CARRIER A reefer container is a type of ship carrying containers that keeps its cargo cool and regulated. Reefers are necessary for fresh food such as fruit, meat, fish, vegetables, dairy, as well as non-food items such as flowers and pharmaceuticals. Reefer container operations are often conducted on vessel or shore power during shipping. A generator supplies portable power to the reefers during rail or truck transport, the air freight versions are intended to maintain temperature for up to around 100 hours.