3M
3M DETECTION SOLUTIONS
A.o. Smith.
Agcen
Bcer
Beijing 352 Environmental Protection Technology Co. Ltd.
Blueair
Broan
Camfil China
CARRIER CORP.
CLARCOR INC.
Daikin Applied (mcquay International Inc.)
FILTRATION GROUP
FRIEDRICH AIR CONDITIONING CO.
GRAYWOLF SENSING SOLUTIONS
GREE ELECTRIC APPLIANCES INC. OF ZHUHAI
HALTON CO.
HONEYWELL INTERNATIONAL
LENNOX INTERNATIONAL
Lexy
Panasonic Corporation Of China
Philips (china) Investment Co. Ltd.
Samsung?china?investment Co. Ltd.
Sharp (china) Investment Co. Ltd.
Supor
TESTO
Three Papas (sangebaba)
TRANE
TSI INC.
WHIRLPOOL CORP.
XIAOMI TECHNOLOGY CO. LTD.
Yadu International Technology (beijing) Co. Ltd