FRAME SIZE(MM) COVER SIZE(MM) CLEAN OPENING(MM) BEAR WEIGHT CLASS 300*300 250*250 200*200 2T A15 300*300 250*250 200*200 5T A15 400*400 300*300 250*250 2T A15 400*400 350*350 250*250 5T A15 450*450 350*350 350*350 5T A15 500*500 400*400 350*350 2T A15 500*500 400*400 350*350 5T A15 550*550 450*450 400*400 5T A15 600*600 500*500 450*450 5T A15 600*600 500*500 450*450 10T A15 700*700 600*600 550*550 5T A15 700*700 600*600 550*500 20T A15 800*800 700*700 650*650 5T A15 900*900 800*800 750*750 5T A15 1100*1100 1000*1000 950*950 2T A15 1. Can I get free samples? A: Yes. We can provide you the free samples, but you need to bear their own delivery costs. 2.Can I request to change the form of packing and transportation? A: Yes. We can change the form of the packing and transportation according to your request, but you can have to bear their own costs incurred during this period and the spreads. 3. Can I request to advance the shipment? A: Yes. It should depend on whether there is sufficient inventory in our warehouse. 4. Can I have my own logo on the product? A: Yes. You can send us your drawing and we can make your logo, buy you have to bear their own cost. 5.Can you produce the products according to my own drawings? A:Yes. We can produce the products according to your drawings that will be most satisfy you.