The Pre-Shipment Inspection (PSI) is one of many types of quality control inspections conducted by Dongguan Ruizhaohe Environmental Protection Equipment Co., Ltd.. This inspection is done according to standard QC Test, or based upon customer requirements. Samples are selected and inspected for defects at random, according to these standards and procedures. For us, Pre-Shipment Inspection is an important step in the quality control process and is the method for checking the quality of commercial kitchen extractor hood before they are shipped.

Professional in the production of best island range hood, Dongguan Ruizhaohe Environmental Protection Equipment Co., Ltd. has won wider international market. Ruizhaohe's oil mist collection‎ series are created based on unremitting efforts. Keeping updated in technology is vital for our R&D team. RUIHE, DR. AIRE, RXL Industrial ESP is procuced adopting with our latest chip processing technology. Owing to the repaid change in the LED lighting industry, the R&D team holds a regular investigation into the market demands, so as to provide customer-oriented products. The product has better adsorption capacity in electric field owing to its greater absorption areas. The luster and soft touch of this product makes it basically a symbol of a comfortable bedroom. This is a very popular bed decoration. The product has a low noise design when working in the indoor environment.

Our company engages in sustainable management. We periodically discuss strategies in order to accurately grasp changes in social demands from the international community and reflect them into management from a long-term perspective.