Sichuan Huajie Purification Equipment Co., Ltd. was established in 2013, formerly known as Chengdu Tianrui Purification Equipment Co., Ltd., which owns the TRAIRF brand reputation at home and abroad. Our company is committed to pre, medium, high efficiency air filter, activated carbon air filter, high temperature air filter, non-woven filter materials, FFU, high efficiency air outlet and other purification equipment and clean room products research and development, manufacturing, sales and related technical equipment services.