Feb 15 (Reuters) - Clearsign Technologies Corp CLIR.O :
* CLEARSIGN TECHNOLOGIES PROVIDES UPDATE ON CHINA BUSINESS
* CLEARSIGN TECHNOLOGIES CORP - 125HP FIRE TUBE BOILER,
WHICH
RECEIVED CERTIFICATION IN APRIL 2021, HAS BEEN SOLD TO A
CUSTOMER
* CLEARSIGN TECHNOLOGIES CORP - ON TRACK TO CREATE A
STRATEGIC
SALES CHANNEL AND ALLIANCE THROUGH A CFA WITH SHUANGLIANG
* CLEARSIGN TECHNOLOGIES CORP - SIGNED A NEW, UPDATED AND
EXPANDED
COLLABORATION AGREEMENT WITH BEIJING DISTRICT HEATING GROUP
* CLEARSIGN - BEIJING DISTRICT HEATING GROUP AGREES TO WORK
TO
INSTALL, DEMONSTRATE CO'S TECH IN ITS BOILERS FOLLOWING FORMAL
GOVERNMENT CERTIFICATION
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((Reuters.Briefs@thomsonreuters.com;))