>>CHF is a special high-new type technical corporation which is developed, designed, manufactured saled and installed many kinds of air filters, humidification machines, air cleaners, central air-conditional devices and lampblack cleaner devices.

>>Along with the increased of standard of living and industrialization production, environment pollution will be deeply concerned by people, especially the IAQ, which endanger the human safe. In order to meet the market demand, CHF  has been promoting many kinds of air filter, active carbon absorption device and air-conditional cleaner successively aimed at indoor pollution issue of modern building and then developed and utilized them. 
>>With 3500sq.m of factory as well as the machines, the filter and the products match the air conditionals, which abroad used in many trades such as electron, telecom, finance, biology, medical treatement, pharmacy, food, printing, and machine etc.      

What has been left to you is silent ours...

Air conditional system, CHF provide the service for a long time for many brand company such as York, Carrier, Trane, and McQuay etc. Which is to clean the indoor environment and to improve the IAQ as well as to elevate life quality.
>> At the same time, CHF also provides the OEM service for many air-conditional factory such as HIROSS, EMERSON,LIEBERT, RC, STULZ, ATLAS, ATRDALE, DANCO, AIRFLOW, PHONIX, CANATAL, ISOVEL, LENNOX, UN, EMICON, ATE, BLUEBOX, COMPU-AIR, AIROTECH and CDA and it ensures stabl and reliable operation in telecom and bank.

>>CHF is in possession of a promising team, Which is very young and excellent. Which has been won the good reputation from customers for its perfect management system and experience.

>>Scrupulously abide by  the forever quality based on the honesty faith and According to the perfect quality system, to carry out he modern market competition consciousness in organization, management even to every staff.

>>Quality is everywhere, as well as the credit standing.

Beijing hi-tech. corporation
certification

EU-RoHS check eligibility certification
　

HEPA filter
certification

Fireproofing filter
certification