Dongguan Zhisheng（Lihong） Purification Technology Co., Ltd. is builded in 1997, we are specialized in manufacturing clean room equipments, like air shower, air shower tunnels, Fan Filter unit(FFU), Pass Box, Clean Bench, Laminar Flow cabinet, clean booth......

BEIJING FANRYN TECHNOLOGY LTD is a global and multiple company, specializes in developing, manufacturing, and sales of HVAC products. Our technical team enjoys 20 years' experience in developing and producing of insulation material ventilation products......

Charm Aroma Environmental Technology Co., Ltd is a direct factory of scent machine in China, which specializing focus on developing and marketing of HVAC scent machine, Wall-mounted scent machine, Stand-alone scent machine, battery scent diffuser and ......