DEMY (D&M) BEARINGS CO., LTD ke e 'ngoe ea bahlahisi le barekisi ba li-ball & roller bearing ba etellang pele Chaena. E ikhethile lipatlisisong le nts'etsopele bakeng sa mefuta e fapaneng ea li-bearings tse nepahetseng haholo, tse se nang lerata, le tse tšoarellang nako e telele. Hape atolosetsa khoebo likarolong tsa lithuthuthu le lisebelisoa (Sete ea Pele ea Li-Holder, Roller Conveyor Chain, Infra Red Burner).

Feme ea rona – Ningbo Giant Bearing Manufacturing Co., Ltd. e na le setifikeiti sa sistimi ea tlhahiso ea boleng ba ISO/TS16949:2009 'me e fumana ka li-sete tse 100 tsa mela ea tlhahiso ea ho sila ka boiketsetso, mela ea kopano e iketsang e nang le bokhoni ba tlhahiso ea selemo le selemo ba li-sete tse limilione tse 100. Litekanyo tse phethahetseng tsa ho lekanya le ho leka le lisebelisoa li amohetsoe ke k'hamphani ho netefatsa boleng bo botle.