I know you must be very busy, but pls give me a min. 
Glad to know that you are dealing with building material(metal plastic composite ). 
Shenzhen Dinghangxin Precision Machinery Co.,Ltd here. We are professional in Precision machinery manufacturing and plastic molding for more than 10 years, composite with high quality and competitive price. Contact with me ,let’s talk in detail 
I know that you already have a good supplier. But I am still hoping that we may have a chance to cooperate with you even though the chance is very slim. 
When we are buying, we are finding a better supplier all the time, right? 
I don't need your order right now. I just need your reply. Your reply may be a big chance for us. I am looking forward to it. Have a nice weekend. And hope my email didn't disturb you. 
Free sample .dont hesitate contact with me .