求翻译：很高兴收到您的邮件，直径12MM的镀铬光轴有的，LM12UU是用在直径12MM的光轴上的 20MM直径的镀铬光轴也有的，我们的型号是很齐全的，如需要请联系是什么意思？

Is very pleased to receive your message, the chrome-plated shaft diameter 12MM, LM12UU is used in diameter 12MM 20MM diameter chrome on the optical axis of the optical axis, our model is very complete, if you need to contact