Mae'r ddau yn profi ASTM F36 a GB / T20671.1; Gall brofi taflenni nad ydynt yn asbestos, taflenni graffit, Taflenni PTFE a thaflenni rwber a gasiau; Cywirdeb uchel, gweithrediad hawdd
We use cookies to offer you a better browsing experience, analyze site traffic and personalize content. By using this site, you agree to our use of cookies.
Privacy Policy
