Cov neeg yuav khoom ntawm Yongjin chaw tsim khoom kev cai siab ua haujlwm tsis siv neeg shuttleless koob loom tshuab rau elastic band tam sim no tuaj yeem ncav cuag tus neeg tsim khoom, tus neeg muag khoom, tus neeg xa khoom, thiab tus neeg xa khoom ntseeg siab tshaj plaws thoob ntiaj teb nrog tsuas yog nias ib lub pob. Yongjin tau ua txoj hauv kev yooj yim tshaj plaws rau txhua tus neeg yuav khoom kom mus txog tus neeg tsim khoom, tus neeg muag khoom, tus neeg xa khoom, thiab tus neeg xa khoom ntawm Weaving Machines thiab yog txoj hauv kev zoo tshaj plaws rau tus neeg tsim khoom, tus neeg xa khoom, tus neeg xa khoom, thiab tus neeg xa khoom kom ncav cuag lawv cov neeg siv khoom. Cov neeg yuav khoom tam sim no tuaj yeem pom cov npe ntawm cov chaw tsim khoom, tus neeg muag khoom, tus neeg xa khoom, thiab tus neeg xa khoom ntawm graphite daim ntawv uas muab cov nqi zoo tshaj plaws rau lawv cov khoom rau lawv cov neeg siv khoom mus rau txhua qhov chaw hauv ntiaj teb. P