Service

Derong is a professional purification technology company that provides various types and functions of pre filter, medium efficiency filters and high efficiency filters used in air purification industry.

The pre filters includes panel filters, metal frame synthetic media filters, cooker range hood filters, black PPI filters.

Medium efficiency filters carries pocket filter, V bank filters.

High efficiency filters carries household purifier replacement HEPA filter, deep pleated filter,  mini pleat filters/ FFU, high temperature resistant filters, V bank filters. In the meanwhile, in order to achieve the functions of eliminating TVOC, odors and dehumidification, the R&D team of Derong upgrades and optimizes various functional pellet materials to meet the needs of all circumstance.

Derong aims to progress together with clients and attaches great importance to client experience. Beside competitive quotation, Derong team provides awesome resources from R&D, product quality and transportation to gaurantee customer benefits. Under the background of increasing competition, Derong still takes best materials and leading technology to keep quality stable.